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1

[M17 ST 1101] I/II MTECH I SEMESTER REGULAR EXAMINATIONS

STRUCTURAL ENGINEERING DEPARTMENT OF CIVIL ENGINEERING

ADVANCED MATHEMATICS MODEL QUESTION PAPER

TIME: 3 Hours Max.Marks: 70

ANSWER ANY 5 QUESTIONS ALL QUESTIONS CARRY EQUAL MARKS

1

2

u

u

Solve the heat

equation

subject to the conditions u(x,0)=0, u(0,t)=0 and

t

x 2

u(1,t)=t with h= 0.25 and k = 1/16. Compute u(0.5, 0.125) using Crank Nicolson method.

14M

2 A If u(r,θ,φ) depends only on r and θ , then find the Laplacian in spherical coordinates. 6 M B

u

2

u

Solve , 0<x<L, u(0,t)=0, u(L,t) =0 and u(x,0)= f(x) using the method of

tx2

separation of variables.

8 M

3 A

Fit a curve of the form y = axb for the following data

x 1 3 7 9 10 12 15

Y 0 2 6 8 13 14 20

7 M

B Calculate the coefficient of correlation between age of cars and annual maintenance cost.

Comment on your result.

Age of cars 2 4 6 7 8 10 12

Cost 1600 1500 1700 1900 2200 2300 2000

7 M

4 A Find the multiple linear regression equations of X on Y and Z using the data given below:

X 2 3 7 8 9

Y 6 9 12 13 15

Z 7 12 15 16 17

8 M

B Following are the ranks obtained by 9 students in History and economics. Find the rank

correlation coefficient and comment.

History 1 2 3 4 5 6 7 8 9

Economics 3 5 2 1 6 8 9 4 7

6 M

5 Use M method to minimize Z= 2x+ y subject to 3x+y=3, 4x+3y ≥6, x+2y ≤ 3, x,y≥0 14 M

2

6 It is of interest to study th effect of population size in various cities in US on ozone

concentratins. The data consists of 1999 population in millions and the amount of ozone

present per hour in parts per billion. The data are as follows:

Ozone present 126 135 124 128 130 128 126 128 128

X- population 0.6 4.9 0.2 0.5 1.1 0.1 1.1 2.3 0.6 Fit a linear regression model relating ozone concentration to population. Test H0 :β=0 using ANOVA approach.

14 M

7 Solve the ∇ 2u= −10(x2 + y2 + 10)over the square with sides x=0=y, x=3=y with u=0

on the boundary. Take h=1.

14 M

8

Minimize f(x,y) = x-y+2x2

+2xy +y2

0 starting from the point X1 =.

0

14 M

[M17 ST 1101]

3



THEORY OF ELASTICITY MODEL QUESTION PAPER



1

If the State stress at any point in a body in a three dimensional force system is given

by the following equations. 222 fzeydxczbyax yx

mzlykizhygx yzxyz ,333

22 pznxzx

What equations must the body forces, Fx, Fy and Fz satisfy for equilibrium.

14 M

2 Prove the following relationships.

(a) 3213

1

OCTn

(b) 213

232

221

2

9

1 OCT

14 M

3 By means of strain rosette, the following strains were recorded during the test on a

structural member.

0= - 13 × 10-6

mm/mm

45=7.5 × 10-6

mm/mm

90 =13 × 10-6

mm/mm Determine:

(a) Magnitude of principal strains.

(b)Orientation of principal Planes.

14 M

4 Given the stress function x

z

xzTan

H 1

Determine whether stress function is admissible. If so determine the stresses.

14 M

4

5

Investigate what problem of plane stress is satisfied by the stress function.

234

3 2

2

3 py

h

xyxy

h

F

Applied to the region included in y=0, y=h, x=0 on the side x positive.

14 M

6 A Define AIRY’s stress function

3 M

B Derive equilibrium equations in two dimensional polar coordinates.

11 M

7 Starting from stress function, derive an expression for stress components in a thick

cylinder or internal radius ‘a’ and an external radius ‘b’ subjected to both Internal

pressure pi and external pressurep0.

14 M

8 Write short note on the following

(a) Lame’s constants

(b) Saint-Venant’s Principle. (c) Use of Polynomials in the solution of structural Problems

14 M

[M17 ST 1102]

5



MATRIX METHODS OF STRUCTURAL ANALYSIS MODEL QUESTION PAPER



1

Develop the flexibility matrix for the given beam[Figure.1] with reference to the co-

ordinates shown.EI is constant.

14 M

2 Develop the stiffness matrix for the given beam [Figure.2] with reference to the co-

ordinates shown. EI is constant.

14 M

3 Analyse the continuous beam using force methodtreating the support reaction at ‘C’ as

redundant[Figure.3]. Hence find the support reaction at A.Also Draw B.M.D

14 M

4 Analyse the beam using displacement method [Fifure.4]. Hence find support reaction at ‘A’. Also draw B.M.D.

14 M

6

5

Find the forces in the members of the truss using Force method. AE is same for all the

members.[Figure.5]

14 M

6 Find the forces in the members of the truss using Displacement method [Figure.6]

14 M

7 Analyse the given frame using flexibility method.Also draw B.M.D.[Figure.7]

14 M

7

8 Analyse the following frame a [Figure.8] using stiffness Method. Also draw B.M.D.

14 M

[M17 ST 1103]

8



STRUCTURAL DYNAMICS MODEL QUESTION PAPER



Assume missing data if any suitability.

Use of relevant codes permitted.

1

Derive the general governing differential equation for damped free vibration of single

degree Freedom system [Spring-mass-dashpot] and discuss the motion of the mass for

different values of damping. 14 M

2 A A simply supported beam of span ‘1’ with flexural rigidity EI is carrying weight

‘W’ at the centre of the span. Compute the natural period and natural

Frequency.

7 M

B A weightless truss is subjected to a single mass ‘m’ as shown in Figure 1.

Compute the natural period for the system in terms of m, l, E and A by

representing the structure as a spring mass system.

7 M

3 Name various modeling techniques of dynamically loaded structures. Also discuss their

relative merits and demerits

14 M

4 A The stiffness matrix and mass matrix of two degree system are given by

10

01

87

78mandk

Using Stodola-Vianello, determine the natural frequencies and corresponding modes of vibrations, normalized with respect to,matrix such that y

tmy=1.

7 M

B Reduce the above system to a systems of the independent differential equations

by decoupling the variables by normal mode method.

9

5

A simply supported [email protected]/m steel beam has a span of 7m and a total dead

weight of 40kN/m under adynamic yield strength of 350MPa. Determine the maximum

dynamic deflection due to loads at the third points of the span each having a rise time of

0.05 sec and a constant value thereafter of 500 kN. What is the maximum dynamic beam

reaction?

14 M

6 A Determine the natural frequencies and mode shapes of the framed structure shown in

Figure 2. The floor is considered to be absolutely rigid.

14 M

7 A What is an idealized system? Explain briefly with at least two examples 7 M B Explain the approximate design procedures of multi-degree system with example 7 M

8 For the system shown in Figure 3, write the frequency equation in terms of M1 M2 E1, l and

Ks. Neglect the mass of the beams. 14 M

[M17 ST 1104]

10



SUB STRUCTURE DESIGN MODEL QUESTION PAPER



All questions carry equal marks

Assume missing data if any suitability

1 A Different between Terzaghi’s and Meyerhof’s bearing capacity theories briefly 7 M B What is standard penetration number? Explain various corrections applied to it 7 M

2 A What is differential settlement? Explain various measure that are to be practised to

avoid it. 7 M

B A strip footing on dense sand is required to carry a safe load of 1000 kN at adepth of 1 m.

Taking a factor of safety of 3, determine the width of the4 footing. Take Nc =55,nq =38,

n=45 and unit weight of sand as 20kn/m3. Assume water task is at deeper location. Use

Terzaghi’s bearing capacity theory.

7 M

3 A What is modulus of sub grade reaction? Explain how it is to be determined 7 M

B Discuss briefly the effect of water table on bearing capacity of soils. 7 M

4 A Explain various dynamic formulae and their limitations briefly. 7 M

B A group of 16 piles of 600 mm diameter arranged in a square pattern with centre

to centre spacing of 1.2 m long and are embedded in stiff clay with a cohesion of

100kN/m2.Determine ultimate bearing capacity of the pile group by neglecting end-bearing

resistance. Assume adhesion-factor as 0.5.

7 M

5 A Explain the following parameters and their significance briefly.

(i) Active depth.(ii) Swell potential

7 M

B What are under-reamed piles? Explain their construction briefly. 7 M

6 A Describe various components of a pneumatic caisson with the help of a sketch 7 M

B How would you estimator load carrying capacity of an open caisson? 7 M

7 A What are the forces considered in the design of Tower foundation? Explain them briefly. 7 M

B On what factors Tower foundation depends and explain Grillage and reinforced

Concrete footing briefly.

7 M

8 Write short notes on any Three of the following:

(a) Classification of piles (b) Pile load test

(c) Tilts and shifts in well foundations (d) Types of Raft foundations

14 M

[M17 ST 1105]

11



EXPERIMENTAL STRESS ANALYSIS MODEL QUESTION PAPER





1

Describe a method for the determination of Poisson’s ratio of a material experimentally

using strain gauges. 14 M

2 How is the stain gauges calibrated? 14 M

3 Describe a method for determining stress using Iso-chromatic fringes in photo-elasticity.

Mention the advantages of this method over other methods? 14 M

4 Explain the circularly polarized light in photo-elasticity? 14 M

5 Write short notes on

(i) Brittle lacquer method of stress analysis.

(ii) Calibration of strain gauges.

14 M

6 Explain in detail Determination of dynamic stresses. 14 M

7 Explain in detail Isoclinics in photo-elasticity 14 M

8 Explain the necessity of compensation in photoelastic studies. What are the different

techniques used in compensation? 14 M

[M17 ST 1106]

12



ADVANCED REINFORCED CONCRETE DESIGN MODEL QUESTION PAPER





1 A Distinguish between short term and long term deflections. Why is it necessary to limit

deflections in R.C. flexural members. 5 M

B A simply supported reinforced concrete beam of T-shaped cross section witha flange width

of 1500 mm, flange thickness of 100mm and web width of 250mmis reinforced with 8 bars

of 16 mm dia on the tension side at an effective depth of 600mm. Determine the short term

maximum deflection if it is subjected to total service load of 45 kN/m, when used over an

effective span of 6.5m. UseM20 grade concrete and Fe 415 grade steel.

9 M

2 A What are the major factors which influence crack widths in flexural members 5 M B A simply supported beam having 6.5 m span is 500mm X700 mm in cross section.

It carries a superimposed dead Load of 35kN/m and live load of 45kN/m at service.

Calculate the design surface crack width

(i) Under a bar on the tension face.

(ii) At a point on a side face 200 mm below the neutral axis.

9 M

3 A Explain the bases underlying the various limitations imposed by the code with regard

to moment redistribution.

5 M

B A two span continuous beam 6m each carries a characteristic dead load of 15 kN/m

and characteristic live load of 20 kN/m. Determine the ordinates of the bending moment

diagram at every one sixth point by considering maximum redistribution of moments

9 M

4 A reinforced concrete grid floor of size 9mx13.5 m is required for a function hall. The floor

is subjected to a live load of 4 kN/m2. Take therib spacing of 1.5 m in both the directions.

Design the grid floor using M20 grade concrete and Fe 415 grade steel. Sketch the

reinforcement details.

14 M

5 Design the interior panel of flat slab 5.60 m × 6.60 m in size for a super imposed load of

7.75 kN/m2 Provide two-way reinforcement. Use M 20 concrete and Fe 415 steel.

14 M

6 Design a rectangular beam for 8 m span to support a dead load of 12kN/m and a live load of

15kN/m Inclusive of its own weight. Moment due to earth-Quake load is 120 kNm and

shear force is 90 kN. Use M20 grade concrete and Fe 415 grade steel.

14 M

7 Estimate the loss in bending strength of a beam with the following dimensions and

subjected to a standard fire . the beam is 600 m× 300 m is size with 6 Nos of 16 mm dia

bars placed in a row with side and bottom clear cover to main steel of 40 mm. Assume M 20

concrete and Fe 415 steel.

14 M

13

Estimate strength of steel with time

Time Temperature Reduction

factor

Srength

0 Normal 1.00 415 MPa

60 mts 350 0.90 373 MPa

90 mts 450 0.70 290 MPa

120 mts 520 0.60 250 MPa

180 mts 600 0.44 138 MPa

240 mts 650 0.35 145 MPa

8

Write short notes on any Two of the following:

(a) Effect if high temperature on steel and concrete

(b) Moment Curvature relation of R.C Sections

(c) Fire Resistance ratings

(d) Flat slab design by Direct design method.

14 M

[M17 ST 1107]

14



PLASTIC ANALYSIS AND DESIGN MODEL QUESTION PAPER





1 A Find the shape factor for a thin ring. 7 M B Determine the maximum plastic moment and shape factor for an equilateral triangle of

side 20 cm. fy=2500 kg/cm2.

7 M

2 A simply supported beam of span l overhangs by a distance a. It is subjected to a udl of w per unit run. Find the critical value of a so that collapse occurs simultaneously in the

cantilever portion and in the interior span. Compute the value of the load in terms of MP and

l.

14M

3 A beam of length l has a moment capacity of MP and is restrained at the ends by moments of

MP and m MP at the left and right end respectively. The beam carries a u.d.l. of w per metre

run. Compute the collapse load wu for different values of m and tabulate the results.

14M

4 A uniform continuous beam, of full plastic moment MP rests on five simple supports

A,B,C,D and E. Now AB = 6l, BC = CD = 8l, DE = 10l. Each span carries a concentrated

load at its mid point, these loads being P on AB, P on BC, 1.4P on CD and 0.5 P on DE. Find

the value of P which will just cause collapse.

14M

5 Find the ultimate load of the structure shown in Fig.1. Draw BMD at collapse.

14M

6 The two bay rigid frame shown in Fig.2 is fabricated from members of a uniform section

having a shape factor of 1.15 and yield stress of 16 t/cm2. Determine the required section

modulus to provide a load factor against collapse of 1.75. Draw the BMD at collapse.

14M

15

7 Find the deflection at ultimate load assuming the last hinge to form under the load for the structure shown in Fig.3. Use slope deflection and method of vertical work.

14M

8 Briefly explain the Minimum weight design. 14M

[M17 ST 1108]

16



ANALYSIS AND DESIGN OF TALL STRUCTURES MODEL QUESTION PAPER




1. A multi- storeyed building has following date. [14M]

Building - GF+5 upper floor (7 stories).

Plan dimensional of typical floor - 20mx30m.

Column grid -5mx5m.

Typical floor height - 4.5m.

Ground floor height - 5.0m.

Ground level - +-0.0.

Ground beam top - 0.2m.

Footing top level -1.8m

All beams including ground beams - 250mmx500mm.

Location - Outskirts of city where at is surrounded by

building of its heights.

Basic Wind Speed - 44m/s.

Slab thickness - 120mm thick

Floor beams - 200mmx500mm, so that slab spans 2.5m.

Live load -1100/m2

.

External periphery walls - 5100/m2.

Internal partition wall(wooden) - 1kN/m2

Corner columns - C1

External columns -C2

Internal columns - C3

Parapet on terrace - 1m(5kN/m).

(a) Determine the design wind pressure acting on the building

(b) Draw the wind pressure diagram to be used for analysis if the building is un-braced.

(c) Draw the wind pressure diagram to e used for analysis if the building is braced by four

shear walls placed on external periphery in central bays on all four sides.

2. Design a chimney of 66m height, having external diameter of 4m throughout th4 height. The

chimney has fire brick lining of 100mm, thickness provided upto a height of 423 m above

ground level, with an air gap of 100mm. The temperature of gases above surrounding air is

200oc, and Es=2.05x10

5N/mm

2. Use M25grade concrete mix [14M]

17

3. Analyse the frame in fig-2 by factor method to get moments in girders and columns of top

story. [14M]

4. Analyse the frame in fig-3 by cantilever method [14M]

5. Design the side walls and hoper bottom of a 3mx3m sauare bunker to store 30 tones of coal.

density of coal is 9 kN/m. Angle of repos3e i9s 300. Adopt M20 grade concrete and Fe415

HYSD bars. Sketch the details of reinforcement 9 the bunkers. [14 M]

6. A cement Silo has an internal diameter of 10m with the height of cylindrical portion being

30m. The density of cement is 15.2 KN/m3. Co-efficient of friction between concrete and

material is 0.70. The angle of repose 0of the material is 17.5 de3grees. Adopting M20 grade

concrete and Fe 415 HYSD bars, design the thickness and the reinforcement required at the

bottom of the cylindrical portion of the Silo using Janssens theory. [14 M]

18

7. Analyse the intermediate frame of multistoried from shown in fig.1 [14 M]

Spacing of gram = 3.6m

Dead load on floor =4kN/m2

Live load on floor = 3kN/m2

Self weight of beams = 5kN/m for beams of span 9m

= 4kN/m for beams of span 6m

= 3kN/m for beams of span 3m.

8. Write short notes on any Two of the following: [14 M]

a) Explain the portal method for analyzing a building frame subjected to horizontal force

b) Derive an expression for temperature stresses in horizontal reinforcement of a R.C chimney.

c) Distinguish clearly between a bunker and silo suing Airy’s theory, show that the height

up to which a bin behaves as a shallow one is given by

'

21

bh

[M17 ST 1109]

19



REPAIR AND REHABILITATION OF STRUCTURES MODEL QUESTION PAPER



1 A Explain the different materials used for repairing of a structure 7 M

B Explain about different mineral admixtures used in mixing concrete 7 M 2 A Explain about Beam shear Strengthening 7 M

B Explain about Shear transfer Strengthening between Members. 7 M 3 A Explain about Bonded installation techniques 7 M

B Explain about fundamental debonding mechanisms. 7 M

4 Explain about No fines concrete. Write the applications of No fines concrete. Explain the advantages of No fines concrete.

14 M

5 A Explain about the different Materials used in high performance concretes. 7 M

B Explain the applications of SCC 7 M

6 A Explain about Corrosion activity measurement. 7 M

B Explain about Ultrasound pulse velocity method with neat sketch. 7 M

7 A Explain about plate end debonding 7 M

B Explain about Intermediate crack debonding with neat sketches. 7 M

8 A Write the Properties of high performance concretes. 7 M

B Explain the Development of high performance concretes. 7 M

[M17 ST 1110]

20

[M17 ST 1201] I/II MTECH II SEMESTER REGULAR EXAMINATIONS


THEORY OF PLATES AND SHELLS MODEL QUESTION PAPER



1 A Derive an expression for the deflection of long rectangular plates with simply supported

edges subjected to cylindrical bending. State the basic assumption involved. 9 M

B A 2mx8m plate resting on simply supported edges is subjected to a load of kN/m2. If

the thickness of the plate is 25mm, determine the maximum mid span deflection of the plate

if E=2.1x105N/m

2 and v=0.25.

5 M

2 A Show that in deflected profile of a plate the planes carrying maximum slope and curvature

cut orthogonal to each other. 7 M

B Derive an expression for the strain energy storedin a plate subjected to transverse loading in

terms of the deflection of theplate. State the assumptions made 7 M

3 A Derive the differential equation for displacement of symmetrically loaded circular plate

with uniformly distributeLoad. The outeredge is fixed. 9 M

B What is the difference in approach of Navier and Levy’s solutions for thin platesanalysis ? 5 M

4 A thin simply supported circular plate of radius ‘a’ has a circular hole of radius ‘b’ and is subjected to a uniformly distributed load of ‘q’ per unit area. Derive the equation for deflection from first principles and determine the maximum radial and circumferential moments in the plate. 1122

14 M

5 A What are the various methods of bending analysis of cylindrical shell? Explainthem briefly. 7 M

B Derive differential equation by Schorer’s theory to long cylindrical shell. 7 M

6 A Explain the statistical checks that can be applied analyzing a cylindrical shell roof 5 M

B Find expressions for membrane forces developed in a parabolic cylindrical shellroof

subjected to a load ‘g’ per unit area of surface.

9 M

7 A Derive the governing equation of shells of translation in Which only membrane forces can

develop.

7 M

B Develop the equation for membrane forces in a semicircular roof under its own weight

supported at ends and free along the edges

7 M

8 A Write short notes on any Two of the following:

(i) Lame’s parameters and their significance

(ii) Bending analysis of cylindrical shell using FinsterWalder method.

(iii) Membrane analysis of hyper shell.

14 M

[M17 ST 1201]

21



FINITE ELEMENT METHODS OF ANALYSIS MODEL QUESTION PAPER



1. (a) Explain about the application of finite element method. [7 M]

(b) Write about strain-displacement relations. [7 M]

2. (a) Explain about two dimensional stress distribution. [7 M]

(b) What are various elements that can be used in discretization of the structure? [7 M]

3. Derive element stiffness matrix for four noded Isoperimetric of the structure? [14 M]

4. (a) Obtain Strain displacement matrix for C.S.T element. [7 M]

(b) Derive element stiffness matrix using the principle of potential energy, and obtain the element

stiffness matrix for C.S.T element. [7 M]

5. (a) Derive shape functions for second order rectangular element. [7 M]

(b) Write about compatibility requirement. [7 M]

6. A thin plate of uniform thickness 25mm is as shown in the figure 1. In addition to the self weight, the

plate is subjected to a point load as shown. Analyses the plate after modeling with four elements and

find displacement at various points, stresses at various points and support reaction. E=2x105MPa,

mass density δ=0.85x10-4

N/mm3.

[14 M]

7. For the given truss, find noded displacements, support reactions and element stresses.

E=200 GPa, A= 500mm2 for all elements. Also there is in temperature by 25

oC. Coefficient of

expansion α = 12 x 10-6

/ oC. [14 M]

22

8. Write short notes on the following: [14 M]

(a) Gauss quadrature

(b) Lagrange interpolation function

(c) Displacement models

[M17 ST 1202]

23



EARTHQUAKE RESISATANT DESIGN OFSTRUCTURES MODEL QUESTION PAPER



Use of IS: 1893-2002 may be permitted.

Assume relevant additional data wherever required

1. (a) Explain Epicenter, Hypocenter, Seismology and Earthquake. [7 M]

(b) Explain the terms strong motion, seismic regions and intensity of earthquakes. [7 M]

2. (a) Explain the construction steps of response spectrum. [7 M]

(b) Explain intensity of earthquakes and isoseismals of an earthquake. [7 M]

3 (a) Explain the construction steps of response spectrum. [7 M]

(b) Explain the concept of earthquake excitation? [7 M]

4. (a) Explain the influence of natural time period (T1) and on higher mode response. [7 M]

(b) Explain the influence of beam to column stiffness ratio (P) on higher order response. [7 M]

5. A 100 m high concrete gravity dam, shown in figure is located in seismic zone V for

rocky (or) hard soil. Assume the velocity Vl of longitudinal wave propagation in concrete

be 3132 m/s and density ofconcrete as 2.5 T/m3. Calculate the Earthquake forces for unit

thickness of dam using basic seismic coefficient method and also calculate hydrodynamic

pressure. [14 M]

24

6. Write a detail note on:

(a) Permissible increase in stresses and load factors for material stresses. [7 M]

(b) Permissible increase in allowable bearing pressure of soils. [7 M]

7. Explain briefly the following terms: [14 M]

(i) Drift

(ii) Torsion

(iii) Appendages

(iv) Dynamic analysis

(v) Effective weight

8. (a) Explain the importance of earthquake resistant construction of buildings and [14 M]

consideration of ductility provisions of reinforced concrete buildings.

(b) Explain with neat sketches provision of :

(i)Horizontal reinforcement conditions, provisions.

(ii)Vertical reinforcement conditions, provisions.

[M17 ST 1203]

25

[M17 ST 1204]

I/II MTECH II SEMESTER REGULAR EXAMINATIONS STRUCTURAL ENGINEERING

DEPARTMENT OF CIVIL ENGINEERING STRUCTURAL STABILITY

MODEL QUESTION PAPER TIME: 3 Hours Max.Marks: 70

ANSWER ANY 5 QUESTIONS

ALL QUESTIONS CARRY EQUAL MARKS

1.(a) A column of rectangular cross-section, hinged at its ends, is acted upon by an axial load

P. Using the double modules theory, deduce an expression for the buckling load. [7 M]

(b) If the above column happens to be of an idealized I-section, derive an expression for

buckling load using the double modulus theory. [7 M]

2. Derive expression for critical load of cantilever column under a constant load ‘P’ using Rayleigh-Ritz

method. [14 M]

3. (a) Explain principle of conservation of energy. [7 M]

(b) Calculate the critical load for a column fixed at both ends of length ‘l’ and constant ‘EI’

using energy principle. [7 M]

4.(a) Explain Eigen value problem with reference to an axially loaded straight column. [7 M]

(b) With reference to stability of columns, beam columns and frames, explain discrete and

continuous value interpretations. [7 M]

5. (a) Explain the finite difference method in the calculation of critical load in structural

stability analysis. [7 M]

(b) Derive the expressions for critical load for the plate uniformly compressed in one

direction. [7 M]

6. Show that the maximum deflection ‘δ’ of a bar under the simultaneously action of lateral

load‘Q’ and a longitudinal compressive force ‘P’is given approximately by the

expression. [14 M]

erP

P1

0 Where 0 is the maximum deflection

Of the bar produced by lateral load’Q’ along and P is the critical load of the bar. How is the deflection

magnified due to the action of the longitudinal compressive force?

26

7.Derive the equation for the mid height deflection of an initially bent column. [14 M]

8. Write short notes on the following topics: [14 M]

(a) Effect of shear stress on buckling

(b) Buckling of plates

(c)Galerkin’s method of stability analysis.

[M17 ST 1204]

27



RELAIBILITY ANALYSIS AND DESIGN MODEL QUESTION PAPER



1. (a) Samples of soil are collected from various depths below ground level and tested in the

laboratory to determine their shear strength .The collected field data are given below [7 M]

Depth (m)

2 3 4 5 6 7

Shear

Strength(kN/m2)

14.8 20.3 32.2 39.0 42.0 56.4

Determine the sample covariance and correlation coefficient between depth of soil and its shear

strength. What do you infer?

(b) Explain need for reliability analysis. [7 M]

2. (a) Consider the simply supported beam shown in figure. Assume the distributed load W,

concentrated load P and the moment capacity MR are uncorrelated normal random variables.

Calculate the reliability index β. What is the probability that the beam will fail? The distribution

parameters for the random variables are as below. [7 M]

μW = 1kN/m Vw = 10%

μP= 10kN Vp = 15%

μMR = 200 kN/m VMR = 12%

(b) The minimum annual flow Y in a river is assumed to follow type I external distribution. The

mean and standard deviation of Y are μx = 5m3/S 𝜎x = 2m

3/S [7 M]

Calculate the probability of the minimum annual flow in a year being less than 2m3/Sec

3. It is given that the ratio of the mean value of the cube strength of M15 concrete to its

characteristic strength is 1:4 and the coefficient of variation of the strength of the concrete is

0.18. Determine the allowable stress for the probability of failure equal to 10-3.

[14 M]

28

4.A reinforced concrete beam of an effective span 8m is subjected to live load. The cross section

has been designed with M25 concrete and steel grade Fe 250.The area of steel is 1400mm2 and

the self weight of the beam is 3KN/m. It is given that the random variables the cube strength of

concrete fck and yield strength of steel fyare normally distributed

Breadth of beam = 240mm Effective depth of beam = 480mm

Mean value of fck = 30.28 MPa Mean value of f4 = 320 MPa

SD of fck = 4.5 MPa SD of fy = 32.0 MPa

Calculate the probability of failure of the beam if the live load (L) is normally distributed with

mean 6KN/m and standard deviation 3KN/m. [14 M]

5. Calculate the reliability index for a steel tension member having tensile strength R subjected to

a load ϕ. Given

μR= 280 MPa𝜎R = 28 MPa

μQ= 5000 N 𝜎Q = 2000 N

μD= 6 mm 𝜎D = 0.6 mm

The member’s circular in Cross section [14 M]

6. Determine the reliability index of a simply supported I beam at the limit state of shear. The

beam is subjected to a point load Q at mid span. It is given that

μQ= 4000N 𝜎Q = 1000N

μfs= 95MPa 𝜎fs = 10 M

𝜎d = 2.5 mm d/tw = 40 μd= 50 mm

Where d is the depth of the beam, twthickness of web, fsistheshear strength of the material. The

coefficient of variation of twis negligible. [14 M]

7. The test results of compressive strength (N/mm2) of 50 concrete cubes obtained from a

building project are given below.

17.24 16.18 16.53 15.2 18.4

19.73 17.24 20.53 19.38 23.42

17.6 18.76 20 20.36 20.27

19.82 20.09 21.78 19.82 19.11

21.42 22.31 21.86 21.15 20.36

13.60 14.98 15.08 18.01 14.93

13.96 15.64 15.56 16.09 13.96

13.87 15.75 12.11 17.18 16.20

15.65 16.27 14.83 13.24 15.03

13.96 15.58 17.36 16.29 16.71

Calculate the mean, the standard deviation and the coefficient of the variation of the strength of

concrete for the given data. Plot the histogram. Determine the chance of getting a value less than

15 N/mm2. [14 M]

8. (a) Explain Monte Carlo method. [14 M]

(b) Extreme type I distribution.

(c) Hasofer – Lind method. [M17 ST 1205]

29

[M17 ST 1206]

I/II MTECH II SEMESTER REGULAR EXAMINATIONS STRUCTURAL ENGINEERING

DEPARTMENT OF CIVIL ENGINEERING PRESTRESSED CONCRETE MODEL QUESTION PAPER



Use of IS: 1343 is permitted

1.a) What are the advantages of prestressed concrete over reinforced concrete? (7 M)

b) Explain why high strength concrete and high tensile steel are used for prestressed concrete

construction. (7 M)

2. A simply supported beam of prestressed concrete spanning over 10 m is of rectangular section

500 mm wide by 750 mm deep. The beam is prestressed by a parabolic cable having an

eccentricity of 200 mm at the centre of span and zero at the end supports. The effective force in

the cable is 1600 kN. If the beam supports a total uniformly distributed load of 40 kN/m, which

includes the self-weight of the beam, a) Evaluate the extreme fibre stresses at the mid span

section. b) Calculate the force required in the cable having the same eccentricity to balance a

total load of 50 kN/m on the beam. (14 M)

3. A concrete girder of unsymmetrical I-section used for a bridge spans over 30 m and its self-

weight is 10.8 kN/m. The girder is prestressed by a parabolic cable having an eccentricity of 580

mm at centre of span and 170 mm at supports towards the soffit of the girder. The initial force in

the cable is 3200 kN. If loss ratio is 0.85 and the creep coefficient is 1.6, modulus of elasticity of

concrete is 34 kN/mm2, estimate the long term deflection of the bridge girder and compare it

with the permissible deflection as per IS: 1343 code specifications. Assume second moment of

area as 72490 x 106 mm4 and live load is 9 kN/m. (14 M)

4. Design a suitable section for the tie member of a truss to support a maximum design tensile

force 200 kN. The permissible compressive stress in concrete at transfer is 16 N/mm2 and no

tensile stresses are permitted under working loads. Loss ratio is 0.8. High tensile wires of 7 mm

diameter tensioned to 1000 N/mm2 is used. fp = 1600 N/mm2. The direct tensile strength of

concrete is 3 N/mm2. Load factor against collapse = 1.5 and load factor against cracking = 1.25.

(14 M)

5. A prestressed concrete T beam is to be designed to support an imposed load of 4.4 kN/m over

an effective span of 5 m. The T beam is made up of a flange 400 mm wide and 40 mm thick. The

rib is 100 mm wide and 200 mm deep. The stress in the concrete must not exceed 15 N/mm2 in

compression and zero in tension at any stage. Check for the adequacy of the section provided,

and calculate the minimum prestressing force necessary and corresponding eccentricity. Assume

loss of prestress = 20%. (14 M)

30

6. The support section of a prestressed concrete beam, 100 mm wide and 250 mm deep, is

required to support an ultimate shear force of 60 kN. The compressive prestress at the centroidal

axis is 5 N/mm2. The characteristic cube strength of concrete is 40 N/mm2. The cover to the

tension reinforcement is 50 mm. If the characteristic tensile strength of steel in stirrups is 250

N/mm2, design suitable reinforcements at the section using the Indian standard code IS: 1343

recommendations. Given data: bw=100mm, h=250mm, d=200mm, V=60kN fcp=5 N/mm2,

fck=40 N/mm2, fck=250 N/mm2 (14 M)

7. The end block of a post tensioned beam is 80mm wide and 160mm deep. A prestressing wire,

7 mm in diameter, stressed to 1200 N/mm2 has to be anchored against the end block at the

centre. The anchorage plate is 50mm by 50mm. The wire bears on the plate through a female

cone of 20mm diameter. Given the permissible stress in concrete at transfer, fci as 20 N/mm2

and the permissible shear in steel as 94.5 N/mm2, determine the thickness of the anchorageplate.

(14 M)

8. A continuous prestressed concrete beam ABC (AB=BC=10 m) has a uniform rectangular

cross section with a width of 100 mm and depth of 300 mm. The cable carrying an effective

prestressing force of 360 KN is parallel to the axis of the beam and located at 100 mm from the

soffit. a) Determine the secondary and resultant moment at the central support B. b) If the beam

supports an imposed load of 1.5 kN/m, calculate the resultant stresses at top and bottom of the

beam at B. Assume Dc = 24 kN/m3. c) Locate the resultant line of thrust through beam AB.

(14 M)

[M17 ST 1206]

31



OPTIMIZATION TECHNIQUES MODEL QUESTION PAPER



1(a) How the optimization problems classified and describe them briefly. [7 M]

(b) Explain the statement of an optimization problem. [7 M]

2. Minimize f(x)=1/2(x12+x2

2+x3

2) [14 M]

Subjected to g1(x)=x1-x2=0

g2(x)=x1+x2+x3-1=0

By (i) direct substitution (ii) Language multiplier method.

3. (a) Define Fibonacci numbers. What is the difference between?

Fibonacci and golden section methods. [7 M]

(b) Find the minimum of 5205 35 f by the quadratic interpolation method. [7 M]

4. (a) Maximize Z=2x1-x2+x 2 subjected to 2x13x2 9, x1,x2 0 where x1and x2 are both

integers, by dynamic programming. [7 M]

(b) Explain normality condition in geometric programming. [7 M]

5. Minimize f(x)=x12+x2

2-6x1-8x2+10 [14 M]

Subjected to 4x2+x1

216

3x1+5x215

x1 0,i=1,2

By using the Zoutendijk’s method with the starting point

1

11x

6. (a) Show that DEF method is a conjugate gradient method.. [7 M]

(b) Minimize f=4x12+3x2

2-5x1x2-8x1

Starting from the point (0,0) using Newtons method. [7 M]

7. (a) State and explain Khun-Tucker conditions for optimality. [7 M]

(b) Maximize Z=4x1+6x2-2x12-2x1x2-2x2

2

Subjected to the constraints x1+x2=2 and x1,x2 0.use Khun-Tucker conditions. [7 M]

8. Write short notes on: [14 M]

(a) Differential calculus method

(b) Plastic design.

(c) Quadratic interpolation method.

(d) Design of frames by dynamic programming. [M17 ST 1207]

32



INDUSTRIAL STRUCTURES MODEL QUESTION PAPER



Use of relevant IS code may be permitted

1. Analyze the folded plate ABCDEF using the theorem of the three edge shears. The plates AB

and EFare vertical, while the plate CD is horizontal. The plates BC and DE are inclined at

450

to the horizontal. All the plates are 12 cm thick and their widths are follows : AB and EF

= 1.25 m ,BC and DE = 3.90 m, and CD= 3.00 m Live load = 0.6 kN/ m2 of covered are,

distance between the transverses= 10 m. Draw the stress distribution diagram for the plate.

[14 M]

2. A cylindrical silo has an internal diameter of 6 m and 20 m deep (cylindrical portion) with a

conical hopper bottom. The material stored is wheat with a density of 8 kN/m3. The

coefficient of friction between wall and material is 0.444. The ratio of horizontal to vertical

pressure is 0.40. Angle of repose= 25 degrees. Design the reinforcements in the silo walls.

Adopt M 20 grade concrete and Fe 415 HYSD bars. Adopt Janssen’s theory for pressure

calculations. [14 M]

3.Determine the safe load carrying capacity of a column having rectangular box section 20

mmx100 mm. The internal radius at corners is 2 mm. Thickness is 2mm. The effective length

of the column is 3 m. Take basic design stress 125 N/mm2. [14 M]

4.Two channel sections without bent lips 200mmx50mm are connected with webs to act as a

beam. The thickness of channel is 2.5mm. The effective span of simply supported beam is 3.6

m. Determine the load inclusive of self weight that may be allowed on the beam. The beam is

laterally supported throughout the span. Take fy=235N/mm2. [14 M]

5.A 60 m high microwave antenna lattice tower is to be built at Visakhapatnam. The diameter of

hemi-spherical antenna disc, provided at the top is 3m. The minimum width of square platform

is 3.0 m. Select a suitable truss configuration and determine the maximum forces in the legs of

the tower and base shear. Assume any missing data appropriately. [14 M]

6.A self-supporting steel chimney is of height 60m above the foundation. The diameter of the

cylindrical part of the chimney is equal to 3m. Design the plates for the chimney. The thickness

of brick lining is 100 mm.The topography at the site is flat and the location is of terrain

category2. The chimney is located in Hyderabad. [14 M]

33

7.Design a gantry girder for a mill building to carry an electric overhead travelling crane, having

the following data: [14 M]

Crane capacity =300kN

Weight of crane excluding crab = 200 kN

Weight of crab =50 kN

Span of crane between rails =14m

Minimum hook approach =1.2m

Wheel base =3.2m

Span of gantry girder =8m

Weight of rail section =0.3 kN/m

Height of rail section =75mm

Take fy=250 N/mm2 and E=2x10

5 N/mm

2.

8. Explain the following briefly: [14 M]

(a)requirements regarding lighting ventilation and fire safety

(b) Foundation for a chimney

(c) Loads on transmission tower.

[M17 ST 1208]

34



BRIDGEENGINEERING MODEL QUESTION PAPER



1. The effective span of a plate girder through type bridge for a single broad gauge track is 30m.

the dead load, live load and impact load reaction is 1200 kN. The vertical reaction due to

overturning effect of wind at each end of the girder is 80 kN. The lateral load due to wind at

each bearing is 34 kN. Design the rocker bearing? [14 M]

2. A through type plate girder is provided for a single broad gauge track. The cross-girders are

spaced 3m apart, the total spam of the main girders from centre to centre of bearings being

30m. The stringers are spaced at 2m between Centre Line 0.6 kN per meter stock rails and

0.04 kNpercentre check rails are provided Stringers are spaced at 450 mm from CK and are

of Size of 2.8x250mmx250mm wt of sleeper(timber) may be assumed as 7.50 kN per cubic

meter. Provided calculations for the max section of the main girder if EUDLL for B.M IS

2800 kN per track total for B.M, And EUDLL for shear 3023 kN per track, impact factor or

30 meters=o.45 . The main girders are provided at a spacing of 5m blue their certain lines .

[14M]

3. Design the mid span cross section of longitudinal girder of a simply supported prestressed

concrete T beams lab bridge for an effective span of 27m. Assume IRC Class AA tracked

vehicle as liveload, width of carriageway = 7.5m, thickness of wearing coat=80mm, width of

kerb = 600mm on either side. Provide 3 longitudinal girders and 9 cross girders. Use M35

concrete. Provide necessary sketches of cross section and cable profile

[14 M]

4. Design the longitude in all girder of a T beam slab bridge for the following data: Effective

span = 17m, width of carriage way =7.5m, thickness of wearing coat = 80mm, width of kerb

= 600mm on either side, Live load: IRC Class AA tracked vehicle, Use M25 concrete and

Fe415 steel, Assume 3 longitudinal girders and 7 cross girders. Use Courbon’s method.

[14 M]

5. The effective span of a plate girder deck type bridge for a single meter gauge track is 2m.

The dead load, live load and impact load re4action is 700kN. The vertical reaction due to

overturning effect of wind at each end of the girder is 100kN. Design a suitable bearing.

[14 M]

6. A plate girder single track ,main line broad gauge is of 24m spam blue bearings. Design a

suitable section for the plate girder and calculate the curtailment of flanges. [14 M]

35

7. In a plate girder through bridge caring a single broad gauge track, the cross-girders are

spaced at 4m centers, the stringers are spaced 2m centers. Design the stringers if their

spacing blue main girder is 4mC/C. [14 M]

8. Explain briefly [14 M]

(a) Classification of steel bridge.

(b) Load for railways.

(c) Bearings.

(d) Plate girder bridges Vs Truss girder bridges. [M17 ST 1209]

36



EARTH RETAINING STRUCTURES MODEL QUESTION PAPER



1. (a) Explain the differences between Rankine’s and Coulomb’s theories of earth pressure

[7 M]

(c) Two different soil types (Soil 1 and Soil 2) are used as backfill behind a retaining wall as

shown in the figure, where 𝛾𝑡 is the total unit weight, and 𝑐′ and 𝜑′ are effective cohesion

and effective angle of shearing resistance. Determine the resultant active earth force per unit

length (in kN/m) acting on the wall. [7 M]

2. (a) Briefly explain different types of failures of retaining walls. [5 M]

(b) Explain different types of retaining walls and their general proportions for the design. [9M]

3. (a) An anchored bulkhead retains cohesion less backfill up to a height of 6.0 m above the dredge

line. The average properties of soil, both above and below dredge line are as follows: γ = 18.5

kN/m3, γsat = 20 kN/m

3, Ø = 28

0. The positions of water table and anchor rod are at 3 m and 2m

below ground level respectively. Determine the depth of embedment of the bulkhead and the

force in the anchor rod by the equivalent beam method. Take i/H = 0.07. [9M]

(b) Explain various types of anchoring systems used in anchored sheet pile walls? [5 M]

4. (a) Explain various types of fills used in reinforced earth structures? [7 M]

(b) Explain the various theories of reinforced earth? [7 M]

5. (a) What is a Braced cut? When it prefers? Mention various components of Braced cut. [5 M]

37

(b) It is required to construct a braced excavation up to a depth of 5 m in stiff clay having a unit

weight of 19kN/m3 and an unconfined compressive strength of 140 kN/m

2. Bracing systems

consisting of struts and Wales are to be installed at 1.2 m, 3 m and 4.5 m below ground level.

Determine the strut forces and maximum bending moment in the Wales? [9 M]

6. (a) Explain the Culmann’s construction method with neat sketch for determining Coulomb’s

active earth pressure? [9 M]

(b) Explain the drainage systems that used in retaining walls? [5 M]

7. Derive the expression for depth of embedment for sheet pile in cohesionless soils with neat sketch

of earth pressure diagram? [14 M]

8. (a) Explain various types of coffer dams with neat sketches? [7 M]

(b) Explain various components of reinforced earth structures with their functions? [7 M]

[M17 ST 1210]

1

[M17 CST 1101]

I/II MTECH I SEMESTER REGULAR EXAMINATIONS COMPUTER SCIENCE & TECHNOLOGY

DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING ADVANCED DATA STRUCTURES AND ALGORITHM ANALYSIS



1. a)Write a procedure to delete last node and intermediate node from double linked list? 7M

b) Write a sub-routine to implement Queue operations using Linked List? 7M

2. a)Write a short note on tree traversals? 7M

b)Write a C++ routine for insertion sort? 7M

3. a) Explain graph representation techniques with example 7M

b)Convert a + b * c + (d * e + f) * g the infix expression into postfix form. 7M

4. a) How do collisions happen during hashing? Explain different techniques resolving of collisions?

7M

b)Write a C++ routine to implement stack operations like 7M

PUSH, POP and DISPLAY?

5. a) Discuss the different hashing functions with an example 7M

b) Draw the 11item hash table resulting from hashing the keys:

12, 44, 13, 88, 23, 94, 11, 39, 20, 16 and 5 using the hash function h(i)=(2i+5) mod 11. 7M

6. a) Construct a binary search tree to accommodate the following list of integers and

find the inorder, preorder and postorder sequence of nodes. 7M

52, 36, 86,72,28,36,47,77,49

b) Form a heap from the set of elements (40, 80, 35, 90, 45, 50, and 70) and sort 7M

the data using heap sort

7. a) Construct an AVL tree with following data 10,15,9,12,13,79,45,36,22 7M

b) What is meant by L-L and R-L rotation in AVL trees with example? 7M

8. a) What is Red-Black tree? Explain its properties 7M

b) What is B-tree? Explain the procedure for insertion, deletion and searching 7M

operations in B-trees?

[M17 CST 1101]

2

[M17 CST 1102] I/II MTECH I SEMESTER REGULAR EXAMINATIONS

COMPUTER SCIENCE & TECHNOLOGY DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING MATHEMATICAL FOUNDATIONS OF COMPUTER SCIENCE



1. a. Check whether [ )()()]( rpqrqp is a tautology? (7M)

b. Verify the following argument by rules of inference

If Joe is a mathematician, then he is ambitious

If Joe is an early riser, then he doesn‟t like oatmeal

If he is ambitious, then he is an early riser

Hence, if Joe is a mathematician, then he doesn‟t like oatmeal (7M)

2. a. If R1 and R2 be two equivalence relations on a set A, then show that 𝑅1 ∩ 𝑅2 is also

an equivalence relation on A. (7M)

b. Let F: R R be given by f(x)= 2)( 3 xxf

Find 1F (7M)

3. a. If every element of a group G is its own inverse then prove that G is abelian. (7M)

b. Prove that the intersection of any two normal subgroups of a group G is a normal subgroup.

(7M)

4. a. Find the coefficient of 16x in

5432 .....)( xxx (7M)

b. Find the number of integers between 1 and 1,000 that are not divisible by 2, 3 or 5? (7M)

5. a. Solve the recurrence relation 𝑎𝑛 − 7𝑎𝑛−1 + 10𝑎𝑛−2 = 4𝑛 𝑓𝑜𝑟 𝑛 ≥ 2 (7M)

b. Solve the recurrence relation 𝑎𝑛 − 5𝑎𝑛−1 + 6𝑎𝑛−2 = 0 𝑓𝑜𝑟 𝑛 ≥ 2

by using generating functions. (7M)

6. a. Prove that in any non-directed graph there is an even number of vertices of odd degree (7M)

b. State and Prove Euler‟s formula for planar graphs. (7M)

7. a. Prove that a graph G is a tree if and only if G has no cycles and 1 VE (7M)

b. Explain DFS and BFS with an example (7M)

8. a. Explain Kruskal‟s algorithm for finding minimal spanning tree with an example (7M)

b. Show that in a complete binary tree the total number of edges is given by

12 1 n where 1n is the number of terminal nodes. (7M)

[M17 CST 1102]

3


COMPUTER SCIENCE & TECHNOLOGY DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING

COMPUTER ORGANIZATION AND ARCHITECTURE MODEL QUESTION PAPER

TIME: 3 Hours Max.Marks: 70 ANSWER ANY 5 QUESTIONS


1.(a) Explain Floating point addition and subtraction (7M)

(b) Explain BCD number system. (7M)

2. (a) Design and explain Arithmetic Logic unit with neat diagram. (7M)

(b) Explain selected logical micro operations with example. (7M)

3. (a) Explain Common Bus System in a basic computer (7M)

(b) Explain input output configuration in basic computer (7M)

4. (a) Explain about Addressing modes (7M)

(b) Explain general register organization (7M)

5. Explain micro programmed control unit with example (14M)

6. (a) Compare and contrast isolated I/O and memory mapped I/O. (7M)

(b) Explain about Asynchronous communication interface (ACI)? (7M)

7. (a) Explain address mapping using pages? (7M)

(b) What is the associate memory and what kind of operation it is more suitable? (7M)

8. Write short notes on

(i) Parallel Processing Applications (5M)

(ii) Reduced Instruction Set Computer (RISC) (5M)

(iii) Instruction Cycle (4M)

[M17 CST 1103]

4



DATABASE MANAGEMENT SYSTEMS MODEL QUESTION PAPER



1) a) Describe the structure of DBMS with diagram. 7M.

b) Illustrate the basic features of ER model. 7M.

2) a) What are different constraints over relations? How do you enforce the integrity constraints? 7M.

b) How do you convert ER-diagrams to tables? 7M.

3) Consider the following database and answer the following queries in SQL.

Sailors(sid,sname,rating,age) Boats(bid,bname,color) Reserves(sid,bid,day)

a) Find the sid and sname of sailors who have reserved a boat on 10-jun-2000. 3M.

b) Find the average age for each rating level. 3M.

c) Find the sid and sname of sailors who have reserved all boats. 3M.

d) Find the sids of sailors who have reserved two different boats on the same day. 3M.

e) Find the sids of sailors who have reserved both Red and Green boats. 2M.

4) a) Explain with an example closure of set of FDs and closure of set of attributes. 7M

b) Explain different normal forms upto BCNF. 7M.

5) a) Explain Hash based indexing. 7M.

b) Explain B+ tree insertion and search algorithms 7M.

6) a) Explain basic operation in Relational algebra with examples 7M.

b) What is a trigger? Explain trigger with an example. 7M.

7) a) Explain Two phase locking protocol . 7M.

b) Explain Time stamp ordering Concurrency control. 7M

.

8) a) Explain the ACID properties of a transaction. 5M.

b) Explain ARIES recovery algorithm. 9M

.

[M17 CST 1104]

5



ADVANCED OPERATING SYSTEMS MODEL QUESTION PAPER



1. a) Explain about Operating System Structures (7M)

b) Explain Clock Synchronization in Distributed Systems (7M)

2. a) Explain about Distributed Mutual Exclusion (7M)

b) Explain about Distributed Deadlock Detection (7M)

3. a) Explain about Agreement protocols (7M)

b) Explain Distributed resource management (7M)

4. a) Explain about Distributed shared memory-Architecture (7M)

b) Explain the components of a load distributing algorithm (7M)

5. a) Explain about Failure Recovery and Fault tolerance (7M)

b) Explain about access matrix model and its implementations (7M)

6. a) Explain preliminaries in Data security (7M)

b) Explain about Inter connection networks for multiprocessor systems (7M)

7. a) Explain about threads and process synchronization (7M)

b) Explain about concurrency control algorithms (7M)

8. Explain Scheduling Algorithms. (14M)

[M17 CST 1105]

6



DATA WAREHOUSING AND DATA MINING MODEL QUESTION PAPER



1. (a) Briefly describe 3-tier Data warehouse architecture. 2X7M=14M

(b) Discuss in detail about the Data extraction & Cleanup tools.

2.(a) Write the differences between operational database and data warehouse. 2X7M=14M

(b) Briefly describe Multidimensional data model representation.

3.(a) Explain Briefly about cube, apex cuboid and base cuboid with examples. 2X7M=14M

(b) OLAP Operations with examples.

4 (a) What is data mining? Briefly describe the architecture of a data mining system. 2X7M=14M

(b) Explain data mining functionalities.

5. (a) Discuss in detail about the Data Preprocessing Techniques. 2X7M=14M

(b) Explain Apriori Algorithm

6. (a) Explain Decision tree induction. 2X7M=14M

(b) Discuss about Back propagation algorithm for neural network-based

classification of data.

7. (a). Explain the Concept of SVM. 2X7M=14M

(b). Explain Partitioning Clustering Methods.

8. (a) Write about different types of data in cluster analysis. 2X7M=14M

(b) Explain Density-Based Clustering Method

[M17 CST 1106]

7

[M17 CST 1201] I/II MTECH II SEMESTER REGULAR EXAMINATIONS


CYBER SECURITY MODEL QUESTION PAPER



1. Explain about Security Services and Security Attacks. 14M

2. What is Triple DES. Explain about DES Encryption process completely. 14M

3. What is Public Key Cryptography. Explain about RSA With an Example. 14M

4. Explain about X.509 Directory Authentication Service 14M

5. What is IP security. Explain about Encapsulating security pay load. 14M

6. Explain about Secure Electronic Transaction(SET) 14M

7. Discuss about Viruses and related threats & Countermeasures. 14M

8. Explain about Firewall Design principles 14M

[M17 CST 1201]

8



COMPUTER NETWORKS MODEL QUESTION PAPER



Answer any FIVE questions and all questions carry equal marks

Write all parts of any question at one place.

1. a) Write about various Network Topologies along with merits and demerits. 7M

b) Explain TCP/IP reference model 7M

2. a) Write about Channel Capacity (Maximum data rate of a Channel ) 7M

b) Write about various transmission media 7M

3. a) Explain Frequency Division Multiplexing 7M

b) Write about Sliding window flow control. 7M

4. a) Write about error detecting codes 7M

b) With a suitable example explain Go-Back – N ARQ 7M

5. a) Explain CSMA protocol 7M

b) Write about Ethernet, Fast Ethernet & Gigabit Ethernet. 7M

6. a) Give the 802.11 Architecture and Protocol Stack 7M

b) Explain 802.11 Frame structure 7M

7. a) Write about implementation of Connection Oriented Transport Mechanisms. 7M

b) Distinguish between Datagram approach and Virtual Circuit approach 7M

8. a) With a suitable example explain any Shortest path algorithm 7M

b) Explain various Congestion Control Mechanisms. 7M

[M17 CST 1202]

9

[M17 CST 1203]

I/II MTECH II SEMESTER REGULAR EXAMINATIONS COMPUTER SCIENCE & TECHNOLOGY

DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING

BIG DATA ANALYTICS MODEL QUESTION PAPER



1. a) What is the difference between the „set‟ & a „map‟ data structure and explain about various map

implementations in java with suitable examples. (7M)

b) Specify the difference between a primitive type and a wrapper class. Explain about the conversion from

primitive type to wrapper class and vice-versa with an example. (7M)

2. a) What is the advantage of object serialization in java and explain about serializing & de-serializing an object

with suitable examples. (7M)

b) Explain about the implementation of map reduce concept with a small example. (7M)

3. a) What are the various operational modes of Hadoop cluster configuration and explain in detail about

configuring/installing Hadoop in fully distributed mode. (7M)

b) Are there any similarities between the GFS & HDFS and explain the GFS architecture with a neat sketch.

(7M)

4. a) Explain the role of driver code, mapper code and reducer code within a map reduce program model by a

suitable example. (7M)

b) Explain the anatomy of map reduce job run. (7M)

5. a) What do you mean by a custom writable and explain the implementation of a custom writable with an

example. (7M)

b) Explain about the implementation of raw comparator and custom raw comparator with an example. (7M)

6. a) Explain the operators supported by Pig w.r.t. data access, transformations and debugging operations. (7M)

b) How are Pig programs packaged and explain the modes of running a pig script with a neat sketch. (7M)

7. a) Explain about the various data types supported by HIVEQL with an example. (7M)

b) Explain the architecture of HIVE with a neat sketch. (7M)

8. a) Write Example Hive Queries for Natural Join and outer-Join (7M)

b) Consider The student data File (st.txt). Data in the following format (7M)

Name, District, age, gender

i) Write a PIG script to Display Names of all female students

ii) Write a PIG script to find the number of Students form Prakasham District

iii) Write a PIG script to Display District wise count of all male students.

[M17 CST 1203]

10

[M17 CST 1204]



MACHINE LEARNING MODEL QUESTION PAPER



1. (a) What are the different models of artificial neurons? Explain them in detail. 5M

(b) Discuss various Artificial Neural Network Architectures. 5M

(c) Explain McCulloch–Pitts Neuron in brief? 4M

2. (a) What is learning?.Write any four learning techniques 5M

(b) Describe the limitations of the perception model. 5M

(c ) Explain back propagation algorithm and derive expressions for weight update relations. 4M

3. (a) Explain some basic set theoretic operations for fuzzy sets. 7M

(b) What are the benefits of Fuzzy control? 7M

4. (a) Explain in details Fuzzy automata and languages 7M

(b) What is Fuzzy decision making? What are its steps? 7M

5. (a) Explain the concept of Fuzzy Classification. 7M

(b) Explain any one Data clustering algorithm. 7M

6. (a) Explain Rule based structure identification in details 7M

(b) With block diagram explain fuzzy logic controller. 7M

7. (a) Explain how genetic algorithms are influenced by knowledge based techniques. 5M

(b) Explain the Machine Learning Approach to Knowledge Acquisition 5M

(c) Give a brief note about Genetics based machine learning. 4M

8 . (a) How Genetic Algorithm is different from traditional algorithms? 7M

(b) Explain Support Vector Classification in details 7M

[M17 CST 1204]

11



SOFTWARE ENGINEERING MODEL QUESTION PAPER



1. a) Explain about Nature of Software and Software Process. 7M

b) Write about Software Myths. 7M

2. Explain about

a) Generic Process Model 7M

b) Personal and Team Process Model 7M

3. a) Explain any two Requirement gathering and Analysis techniques 7M

b) With illustrative example explain Cohesion and Coupling. 7M

4. a) Distinguish between Structured Design and Object Oriented Design 7M

b) What are various types of User Interfaces – Explain. 7M

5. a) Give the Overview of Systems Analysis and Design Methodology 7M

b) What are the characteristics of Good User Interface Design 7M

6. Write about

a) Code Reviews 4M

b) Black Box Testing 5M

c) Integration Testing 5M

7. a) Write about Software Reliability 5M

b) What are various software Quality Management activities 5M

c) Explain SEI Capability Maturity Model 4M

8. a) Write about CASE support in Software Life Cycle 7M

b) Give the architecture of a CASE Environment 7M

[M17 CST 1205]

12



ARTIFICIAL INTELLIGENCE MODEL QUESTION PAPER



1. a) Discuss the areas of applications of Artificial Intelligence? (7M)

b) Discuss the tic-tac-toe problem in detail and explain how it can be solved (7M)

using AI techniques?

2. a) Explain about State Space Representation of Water Jug Problem (7M)

b) Explain Problem Characteristics with examples (7M)

3. a) Explain Best First Search Algorithm with an Example (7M)

b) Apply AI Techniques D the solution of the following Cryptarithmetic Problem (7M)

CROSS

ROADS

----------------------

DANGER

------------------------

4. a) Explain how a wff in predicate calculus can be converted into Clauses (7M)

b) Explain with an example Unification & Resolution in Predicate Logic (7M)

5 a) Show how semantic nets and Frames can be captured in Logic with appropriate Examples (7M)

b) Write the CD Representation of the Sentence John fertilized fields with a Special Tool (7M)

6 a) Explain The Dependency back tracking in Truth Maintenance System with an example (7M)

b) What is a Certainty factor and explain how certainty factors are related to Rule Based

Systems of the Sentence (7M)

7 a) Write a neat diagram the structure of a Rule Based Expert System and Explain its Component.

b)Explain Syntactic Processing and Augmented Transition Nets (7M)

8 Write Short on

a) Natural Deduction (5M)

b) Forward Versus Backward Reasoning, (5M)

c) Expert System Shells (4M)

[M17 CST 1206]

13



COMPILER DESIGN MODEL QUESTION PAPER



1. (a) Define compiler and explain the different phases of a compiler. 7 X 2M = 14M

(b) What is lexical analyzer and explain the role of lexical analyzer.

2. (a) What is left recursion? Eliminate left recursion from the following grammar

idEF

FFTT

TTEE

/)(

/*

/

(7M)

(b) Construct the shift reduce parsing table for the string (2+3) from the grammar

numE

ESESS

/)/( (7M)

3. (a) Construct the predictive parsing table for the following grammar

SSLL

aLS

/,

/)(

(7M)

(b) Construct SLR parsing table for the following grammar

baAA

AAS

/

(7M)

4. (a) What is Syntax Directed Translation. How to Implement Syntax Directed Translator. (7M)

(b) What YAAC? How can we create a parser using YAAC (7M)

14

5. (a) What is DAG? Construct the DAG for the following basic block

DEA

CBB

BAE

CBD

:

:

:

*:

(7M)

(b) Explain different principal sources of optimization techniques with examples. (7M)

6. (a) Explain global data flow analysis with suitable example. (7M)

(b) Explain peephole optimization techniques with suitable examples. (7M)

7. (a) Explain Code Generation Algorithm. (7M)

(b) What is Optimal Code Generation for Expressions? Explain the process of Code

Generation from DAGs. (7M)

8. a) What is symbol table and explain symbol table organization techniques. (7M)

b) What is activation record? Describe the components of activation record. .(7M)

[M17 CST 1207]

15

[M17 CST 1208]



EMBEDDED SYSTEMS MODEL QUESTION PAPER



1. (a) Explain about Telegraph as an example of Embedded System. 2X7M=14M

(b) What is meant by ROM. Explain ROM variants?

2.(a) Explain about UART. 2X7M=14M

(b) What is DMA? Give its working.

3.(a) Explain about Interrupt Latency. 2X7M=14M

(b) Describe Function Queue Scheduling architecture.

4 (a) Explain how shared data problem is eliminated using semaphores. 2X7M=14M

(b) Explain semaphore variants.

5. (a) Describe Message Queues. 2X7M=14M

(b) Explain about Interrupt Routines in RTOS Environment

6. (a) Explain the Hard-Real Time scheduling considerations. 2X7M=14M

(b) Explain about encapsulating semaphores.

7. (a) Briefly describe about host and target machines. 2X7M=14M

(b) Explain the ways of getting software into target machine.

8. (a) Explain Instruction Set Simulators. 2X7M=14M

(b) Describe Logic analyzers.

[M17 CST 1208]

16



IMAGE PROCESSING MODEL QUESTION PAPER



1. a) Explain fundamental steps in Image processing 2X7M=14M

b) Explain Elements of Digital Image Processing.

2. ( a) Give an Algorithm for FFT. 2X7M=14M

(b) Give an Algorithm for WFT.

3. (a) How do you Acquire an image? Explain in detail. 2X7M=14M

(b) Define and explain image sliding and image stretching.

4. (a) Define and explain low pass filters in brief. 2X7M=14M

(b) Define and edge. Explain various edge enhancement filters.

5. (a) Define prewitt filter. 2X7M=14M

(b) Explain in detail “Homomorphic filter”.

6. (a) Explain compression at the time of Image Transmission. 2X7M=14M

(b) Explain about standardization in image compression.

7. (a) Explain split and merge technique for segmentation. 2X7M=14M

(b) Explain segmentation by PIXEL based methods.

8. Write Short notes on the following

a) Image Classification (5M)

b) Erosion and Dilation of images. (5M)

c) Skeletanization (4M)

[M17 CST 1209]

17

[M17 CST 1210]



PARALLEL ALGORITHMS MODEL QUESTION PAPER



1. Answer the following: 7X2M=14M

(a) Parallel Architectures

(b) Problems Unique to Parallel Programming

(c) Data Parallelism

(d) Direct and Indirect Network Topology

(e) Butterfly Network

(f) Alpha beta search

2. (a) Differentiate between MIMD and SIMD Models. 2X7M=14M

(b) Write about various Parallel Programming Models in detail.

3.(a) ExplainCoffman-graham scheduling algorithm for parallel processors 2X7M=14M

(b) Elaborate on Pipelining and Data Clustering.

4.(a) Explain the Bus, Star, Ring, Mesh, Tree topologies. 2X7M=14M

(b) What is Perfect Shuffle Network.

5.(a) Differentiate between Linear and Superlinear Speedup.

Explain Amdahls Law and Amdahl Effect. 2X7M=14M

(b) Explain Odd-Even transposition sort.

6.(a) Explain FFT algorithm on Hyper cube multi computers. 2X7M=14M

(b) Explain Matrix multiplication on 2-D mesh SIMD model..

7.(a) Explain Sollin‟s algorithm for finding minimum cost spanning tree of a graph 2X7M=14M

(b) Parallel branch and bound algorithms.

8. Write short notes on:

(a) Bitonic merge on shuffle exchange network (5M)

(b) Explain Manber and Lander‟s Algorithm (5M)

(c) Parallel Quicksort on Multi Processor network (4M)

[M17 CST 1210]

18



CLOUD COMPUTING MODEL QUESTION PAPER



1. (a) Explain cloud computing delivery models and services (7M)

(b) Mention the major challenges faced by cloud computing. (7M)

2. (a) What are the Open Source software platforms for private cloud. (7M)

(b) Explain the architectural styles for cloud computing. (7M)

3. (a) Explain Layering and Virtualization. (7M)

(b) What are the scheduling algorithms for cloud computing? (7M)

4. (a) Explain Google File System (7M)

(b)What are cloud security risks? Explain security risks posed by shared images. (7M)

5. (a)What are different types of virtualization? What hardware support is required for virtualization? (7M)

(b) Explain Resource bundling (7M)

6. (a) Explain cloud service for adaptive data streaming (7M)

(b) Explain how the cloud computing applications by Google and Microsoft are developed (7M)

7. (a) Briefly explain Amazon Simple Storage Service (7M)

(b) Explain cloud based simulation of a distributed trust algorithm (7M)


(a) Consensus Protocol (5M)

(b) InterCloud (5M)

(c) MegaStore (4M)

[M17 CST 1211]

19

[M17 CST 1212]



MOBILE COMPUTING MODEL QUESTION PAPER



1. (a) Explain system Architecture of GSM with a neat diagram. 9M

(b) What is handover? Explain types of handovers in GSM system. 5M

2. (a) What is Three-Tier Architecture for Mobile Computing. Explain. 2X7M=14M

(b) Give a brief account of Mobile Devises and Mobile-Enabled Applications.

3. (a) Explain various generations in Wireless Networks. 2X7M=14M

(b) Write all the approaches for Traffic Routing in Wireless Networks.

4. (a) Explain WLAN Standard IEEE 802.11 in detail. 2X7M=14M

(b) Compare IEEE 802.11a, B, G and N Standards.

5. (a) Differentiate between Bluetooth and Radio Frequency Identification (RFID). 2X7M=14M

(b) Explain cellular IP.

6. (a) How data is replicated for Mobile Computers. 2X7M=14M

(b) Explain Data Services in GPRS and applications for GPRS.

7. (a) Explain Push-Based and Pull-Based Mechanisms. 2X7M=14M

(b) What is a 3G Network. Write its Applications.

8. Write short notes on the Following

(a) Wireless Application Protocol. 5M

(b) Mobile Computing Over SMS 5M

(c) GPRS Applications 4M

[M17 CST 1212]

1

[M17 CS 1101] I/II MTECH I SEMESTER REGULAR EXAMINATIONS

COMMUNICATION SYSTEMS DEPARTMENT OF ELECTRONICS & COMMUNICATIONS ENGINEERING

DETECTION AND ESTIMATION THEORY MODEL QUESTION PAPER



1. a Define an Autoregressive Process. Calculate the values of mean, variance and 7M autocorrelation values of a First order auto regressive model.

b Define shot noise. Calculate the values of mean, autocorrelation, and the power spectral 7M density of the shot noise.

2. a Find the digital filter diagram and the state model of an ARMA (3, 1) model. 7M b Define and derive an expression for noise equivalent bandwidth of a filter. 7M

3. a What is Minimum Probability of Error? Explain Baye’s decision rule. 7M b Explain the operation of a Correlation receiver for detecting deterministic signals 7M corrupted by additive white Gaussian noise and derive an expression for decision

threshold.

4. a Mathematically explain the operation of scalar kalman filter. 7M b Explain the implementation of digital wiener filter. 7M

5. a Let p represent the probability that an integrated circuit is good. Show that the maximum 7M likelihood estimator of p is NG/n where NG is the number of good circuits in n independent trials

b Define the following : 7M i. Empirical Distribution Function ii. Joint Empirical distribution Functions iii. Histograms.

6. a i. If X is uniform (0, 10) and 20 cells are used in a histogram with 200 samples, find 7M the bias, MSE, and normalized RMS error in the histogram.

ii. Repeat part (a) if X is normal with a mean of 5 and a standard deviation of 1.5 b Discuss about 7M

i. Baysian Estimators ii.Maximum Likelihood estimators.

7. a X(n) is a stationary zero-mean Gaussian random sequence with an autocorrelation 7M

function, RXX(k)=exp(-0.2k2), Show that X(n) is ergodic.

b Explain the procedure for the Windowed or smoothed estimators of power spectral 7M

density functions. Also explain different windows used for this purpose.

8. a If an estimated ARMA model is, X(n) = 0.9X(n - 1) - 0.2X(n - 2) +0 .5e(n - 1) + e(n).find 7M the corresponding autocorrelation function, autocorrelation coefficient, and power density

spectrum.

b Explain the Flowchart in Box-Jenkins method of estimation of random sequence models. 7M

[M17 CS 1102]

2



DIGITAL DATA COMMUNICATIONS MODEL QUESTION PAPER



1. a Explain the principle of QAM with the help of a neat diagram. 7M

b What is a constellation diagram? Explain the constellation diagram of 16QAM. 7M

2. a Explain the OSI model for networking in brief. How does it differ from TCP/IP 7M model?

b. What are different types of digital data transmission modes? Explain with examples. 7M

3. a With the help of a neat diagram, explain the DTE-DCE interface. 7M

b Explain the various network topologies and compare the performance of each 7M topology.

4. a What are the various types of error correction codes? Explain any one. 7M

b Compare the synchronous and asynchronous data link protocols. 7M

5. a What are the different types of packet switching? Explain. 7M

b Explain the architecture of IEEE 802.6. 7M

6. a What are the different functions of bridges in the network? Explain various types of 7M bridges used in the network.

b Compare the time division and frequency division multiplexing techniques. 7M

7. a Explain the principle of TDMA and derive the expression for efficiency of TDMA. 7M

b What are the demerits in OFDMA? Explain how they can be overcome? 7M

8. a Explain the principle, advantages and applications of CDMA. 7M

b What are the demerits of CDMA? Explain. 7M

[M17CS1102]

3



CODING THEORY AND APPLICATIONS MODEL QUESTION PAPER



1. a) What are different types of errors and explain the control strategies. 7M

b) State and prove theorems related to minimum distance of linear block codes. 7M

2. a) Explain encoding and decoding circuits of a systemic (n,k) codes. 7M

b) Form a parity check matrix for (15,11) hamming code and design 7M

a decoder for this.

3. a) List out and prove any five theorems related to cyclic codes. 7M

b) Design an encoder and decoder for the (7,4) cyclic code generated by 1+X+X3. 7M

4. a) Explain the operation of any two error trapping decoder circuit. 7M

b) Consider (4,3,2) convolutional code. Find the generator sequences of the code. 7M

Find the generator matrix G. Find the code word v corresponding to the

information sequence u=(110, 011, 110).

5. a) Explain about viterbis decoding algorithm. 7M

b) Explain the application of sequential decoding of convolutional codes. 7M

6. a) Explain about (2,1,3) Convolutional Encoder. 7M

b) Consider (2,1,2) code with G(D)=[1+D2, 1+D+D2]. Find the GCD of the

of its generator polynomial. 7M

7. a) Determine the generator polynomial for all primitive BCH codes of length 7. 7M

b) Explain the syndrome computation circuit for the double error correcting

(15,7) BCH Code. 7M

8. Write short notes on the following

a) Bounds on Burst Error Control 5M

b) Encoder of the Burst Error control Code 5M

c) Interleaved Cyclic 4M

[M17CS1103]

4



ADVANCED DIGITAL SIGNAL PROCESSING



1. a Using in Decimation in Time algorithm find the FFT of x[n]=1,2,3,1,-1,3,-4. 7M

b Perform the two-band poly-phase decomposition of the transfer function 7M

𝐻 𝑧 =

2 + 𝑧−1

1 + 0.5𝑧−1

2. a Describe the frequency domain description of an Interpolator. 7M

b Calculate the DFT of x[n]=1,0,1,2,1,3,1,4. 7M

3. a Describe the oversampling A/D and D/A converters. 7M

b Explain the implementation of sampling rate converters using Poly phase filters. 7M

4. a Explain the Welch’s method for the power spectrum estimation. 7M

b Explain Bartlett method. 7M

.

5. a Obtain Direct form-I, Direct form-II and cascade form realizations of the following 7M

system, y[n]=-0.25y[n-1]+0.82y[n-2]+0.65x[n]-0.252x[n-2].

b Explain Frequency sampling structure of FIR Filter. 7M

6. a Explain the operation of Backward Linear predictor with a neat derivation 7M

b Realize the following FIR filter, H(z)=1-2.5z-1

+4.75z-2

-3.475z-3

+1.2015z-4

- 7M

0.16897z-5

as i) cascade of five first order sections ii)cascade of one third order and

second order sections.

7. a What are the quantization errors in FFT algorithm? Explain them 7M

b Describe the Yule-Walker method of power spectrum estimation. 7M

8. a Explain Burg method of power spectrum estimation. 7M

b Explain the quantization and round off errors in a digital filter. 7M

[M17CS1104]

5



RADAR SIGNAL PROCESSING



1. a Draw the block diagram of a Radar and explain 7M

b Obtain the frequency response of a Matched filter with non-white noise. 7M

2. a Discuss the efficiency of a non-matched filter 5M

b Explain the role of beacon and repeater expressions n Radar. 4M

C Discuss the CFAR use in Radar. 5M

3. a Explain the I,Q detector with a block diagram. 7M

b What is CFAR explain the cell averaging CFAR technique. 7M

4. a Obtain the ambiguity diagram for a pulse train consisting of five pulses. 7M

b Explain the optimization for detecting signals in clutter when the relative Doppler 7M shift is zero or unknown

5. a What are the advantages of the thumb lack ambiguity diagram? And sketch the ideal 7M thumb lack ambiguity diagram by a noise like waveforms.

b Explain the basic principle of the linear FM pulse compression. 7M

6. a Discuss the applications, advantages and disadvantages of short pulse in a radar 7M

b Explain the SAW pulse compression in detail. 7M

7. a Discuss the principle of the binary phase coded pulse compression. 7M

b Explain the properties of the frank poly phase codes. 7M


a.Barker code 7M

b.Maximal length sequences using PN codes 7M

[M17 CS 1105]

6



OPTICAL COMMUNICATIONS TECHNOLOGY



1. a What is dispersion in fibers? What are the causes and types of fiber dispersion loss? 7M Explain.

b Explain the principle and applications of solitons. 7M

2. a Explain Cross-Phase modulation. 7M

b Explain the principle of Mach Zander interferometer with a neat diagram. 7M

3. a What are the functions of optical switches? Explain. 7M

b Explain the principle of optical circulator with the help of a neat diagram. 7M

4. a Explain the Duobinary optical modulation scheme with necessary diagrams. 7M

b What is the need for equalization in optical receivers? Explain. 7M

5. a What are the different types of error detection codes in optical system? Explain. 7M

b What are the different types of demodulation techniques used in optical receivers? 7M Explain any one.

6. a Explain the principle of operation of semiconductor optical amplifier. 7M

b What are the different crosstalk reduction techniques in an optical system? Explain. 7M

7. a Write about wavelength planning. 7M

b What are the different non-linear effects in optical network? Explain. 7M


a Four Wave Mixing. 7M

b Bragg Gratings. 7M

[M17 CS 1106]

7



ADVANCED COMPUTER NETWORKS



1.a) How are congestion control and quality of service related? 5M

b) What is the difference between open-loop congestion control and closed-loop

congestion control? 9M

2.a) Explain about X.25 layers and frame relay operation? 7M

b) Briefly discuss about ATM layers. ? 7M

3.a) Describe the physical configuration of SONET with required diagrams? 9M

b) Explain folding algorithm in interconnection networks? 5M

4.a) Describe the structure of feedback shift register for generating PN sequence? 9M

b) Briefly explain the significance of Virtual private networks? 5M

5.a) Explain about MAC sub layer and its addressing mechanism? 7M

b) Write short notes on frequency reuse and channel assignment strategies of cellular

networks? 7M

6.a) Explain the four general techniques to improve quality of service? 9M

b) Compare IPv4 and IPv6? 5M

7.a) Explain DSSS system with neat block diagram? 7M

b) Explain about Interconnection networks and their properties? 7M

8. With neat sketches explain about Bluetooth architecture and its layers? 14M

[M17 CS 1107]

8



WIRELESS LANS AND PANS



1. Discuss about the technical issues in wireless communications. 14M

2. Explain the WLAN Components with examples. 14M

3. Write about PMD and PLCP layers in IEEE 802.11 Infrared WLAN Standard with

neat diagrams. 14M

4. What are the unlicensed frequency bands used for WLANs and how the channel

allocation is done in IEEE 802.11a standard? 14M

5. What are the attacks against WLANs and explain the security measures. 14M

6. Explain IEEE 802.15.3 high rate WAPNs with respect of protocol stack and network

topology. 14M

7. Discuss about IEEE 802.16 WiMAX standard and its protocol stack in detail. 14M

8. Explain the Routing Protocols in Ad-Hoc Wireless networks 14M

[M17CS1108]

9



MOBILE COMPUTING TECHNOLOGIES



1.a) Discuss about the mobile services and data services in GSM. 7M

b) Describe in detail with the architecture for mobile communications. 7M

2. a) Write in detail about Code division multiple access (CDMA). 7M

b) What are benefits of reservation schemes? How are collisions avoided during data

transmission, why is the probability of collisions lower compared to classical Aloha?

What are disadvantages of reservation schemes? 7M

3.a) What is the basic purpose of DHCP? Name the entities of DHCP and give basic

DHCP configuration. 7M

b) List the entities of mobile IP and describe data transfer from a mobile node to a fixed

node and vice versa. Why and where is encapsulation needed? 7M

4. a) Discuss about snooping TCP. Also focus on its advantages and its disadvantages. 7M

b) Explain the usage of selective retransmission in TCP in mobile networks. 7M

5. a) Discuss in detail about different hoarding techniques for databases. 7M

b) Explain about transactional models in detail. 7M

6. a) Explain in detail about pull based data dissemination mechanism. 7M

b) Discuss in detail about communication asymmetry and illustrate with an example. 7M

7. a) Define MANET. Give spectrum of MANET applications in detail. 7M

b) Name the main differences between multi-hop ad-hoc networks and other networks.

What advantages do these ad-hoc networks offer? 7M

8.a) Discuss in detail about hierarchical routing algorithms in mobile adhoc networks. 7M

b) Describe in detail about security in MANETs. 7M

[M17 CS 1109]

10



NETWORK SECURITY AND CRYPTOGRAPHY



1 a) Describe the relationship between security services and mechanisms. 7M

b) What are the different types of attacks? Explain with examples 7M

2 a) What is double DES? What kind of attack is possible on double DES? 7M

b) Explain AES encryption round with a neat diagram 7M

3 a) Perform encryption/decryption using RSA algorithm for the following: 9M

p = 3, q = 11, e = 7, m = 5

b) Explain digital signature standard algorithm for authentication 5M

4 a) Describe the different cryptographic functions provided by PGP. 7M

b) What is MIME? What are the different content types of MIME? 7M

5 Explain in detail the architecture of IPSecurity. 14M

6 a) How web security can be achieved? What are the different mechanisms? 7M

b) Explain the operation of SSL Record protocol with a neat diagram. 7M

7 Explain the architecture of SNMP in detail 14M

8 a) Define the three classes of intruders and mention the intrusion techniques to

protect from the intruders. 7M

b) Explain the different types of viruses. 7M

[M17 CS 1110]

11

[M17 CS 1201] I/II MTECH II SEMESTER REGULAR EXAMINATIONS


RF CIRCUIT DESIGN



1.a) Explain why skin effects are considered important for RF circuit design. 7M

b) Describe briefly how passive components are realized on printed circuit boards at

RF. 7M

2.a) Compare the characteristics of co-axial line, two-wire line and a parallel plate

transmission line. 7M

b) An input impedance of 25 Ω of a λ / 4 transformer is to be matched to a 50 Ω micro

strip transmission line at 500 MHz compute the length, width and characteristic

impedance of the quarter-wave parallel plate transmission line. The thickness and

relative dielectric constant of the substrate material are given as1mm and 4.0

respectively. Make assumptions if necessary. 7M

3.a) Define the following terms for a transmission line.

i) Standing wave ratio ii) Return loss

iii) Power in dBm iv) characteristic impedance 7M

b) Derive the expression for characteristic impedance of a short circuited


4.a) Describe how a tunable RF active filter can be realized. 7M

b) With the help of neat diagrams describe the structure and functioning of a HEMT. 7M

5. Write a short note on low noise, linear RF BJT operation based on its structure. 7M

6.a) Enumerate the importance of ‘power relations’ in the design of an amplifier at high

frequencies. 7M

b) Explain how stable performance can be assured for an RF transistor amplifier

using corresponding stability circles. 7M

7. Draw neat circuit diagrams to explain how gain-bandwidth product limitation can

be overcome in an RF broadband amplifier design. 7M

8. With the help of neat schematics explain how oscillators should be configured to

obtain high frequencies of oscillation. State the principle of operation. State the

principle of operation of a dielectric resonator oscillator. 14M

[M17 CS 1201]

12



WIRELESS COMMUNICATIONS AND NETWORKS



1. a Explain about 7M

i. TDMA

ii. SDMA

b Consider a wired point-to-point network. List some performance measures. 7M

2. a Explain how the two-ray model is used when a single ground reflection 7M

dominates the multipath effect.

b Draw the programming model for WAP and explain its functioning 7M

3. aWhat is the difference between frequency selective fading and flat fading? 7M

b How the received signal strength is predicted using the free space 7M

propagation Model? Explain

4. a Explain the algorithms for adaptive equalization. 7M

b What are the different receiver diversity combining techniques? Explain. 7M

5. aWhat is the need for link calculation? Explain with suitable example 7M

b Explain Maximum Likelihood Sequence Estimation (MLSE) Equalizer 7M

6. a Explain how Inter Symbol Interference, and cochannel interference is caused and

how they are eliminated. 7M

b What is small-scale fading? Write the factors influencing fading. 7M

7. a Draw and explain the various fields in a IEEE 802.11 MAC frame. 7M

b List and explain L2CAP logical channels? 7M

8. a Write short notes on Blocking probability 7M

b Explain, When does a WLAN become a personal area network (PAN)? 7M

[M17 CS 1202]

13



IMAGE AND VIDEO PROCESSING



1. a) What is KL transform? What are the disadvantages of KL transform? Explain. 7M

b) Explain about Haar transform. 7M

2. a) Which criteria highlight certain features of the interest? Explain about it. 7M

b) Explain about the Image file formats. 7M

3. a) What is high pass filter? Discuss about butter worth high pass filter. 7M

b) What is histogram matching? Discuss. 7M

4. a) Differentiate between linear and nonlinear image restoration techniques. 7M

b) Discuss about Blind deconvolution. 7M

5. What is clustering? Explain about different clustering techniques with examples. 7M

6. a) What is redundancy in images? Discuss about Shannon Fano coding. 7M

b) Discuss about wavelet based image compression. 7M

7. a) Explain about Photometric image formation. 7M

b) How sampling is done for video signals. 7M

8. Explain about the following terms

a) Predictive coding 5M

b) Region based motion estimation 5M

c) Hadamard transformation 4M

[M17 CS 1203]

14



SOFTWARE DEFINED RADIO



[M17 CS 1204]

1. a) Explain the benefits and significance of SDR. 7M

b) Explain the Noise and Distortion in the RF chain. 7M

2. a) Explain Digital filter banks. 7M

b) Discuss about Timing recovery in Digital Receivers using Multirate Digital filters. 7M

3. Explain in detail about comparison of Direct Digital synthesis with Analog 14M

Signal synthesis.

4. a) Describe in detail about Generation of Random sequences. 7M

b) Explain parameters of ideal data converters. 7M

5. Discuss in detail about ADC and DAC with neat architectures. 14M

6. a) Explain about FPGAs. 7M

b) Write one short note on Power management issues using a combination of DSPs, 7M

FPGAs, and ASICs.

7. a) Explain about Object Oriented Programming. 7M

b) Write a short notes Joint Tactical Radio System. 7M

8. a) Explain SDR-3000 Digital Transceiver Subsystem. 9M

b) Discuss about CHARIOT. 5M

15



SOFT COMPUTING TECHNIQUES



[M17 CS 1205]

1. a) Explain about Biological Neuron. 7M

b) Explain the characteristics of ANN and write the applications of ANN 7M

2. a) Explain different types of ANN architectures 7M

b) Explain activation and synaptic dynamics of neural networks. 7M

3. a) Explain in detail about Learning and neural network. 7M

b)Discuss about Neural Network based controller. 7M

4. a) Describe in detail Fuzzy relations. 7M

b) Explain about the Fuzzy logic control for nonlinear time delay system. 7M

5. Describe the basic concept of Genetic algorithm and explain in detail about algorithm

steps. 14M

6. a) Explain about applications of GA to power system optimisation problem. 9M

b) Write one short note on case study of GA 5M

7. a) Explain the stability analysis of fuzzy control systems

7M

b) Write a short note on Hopfield network. 7M

8. Explain the differences between the Tabu search and D-colony search techniques

for solving optimization problems. 14M

16



SMART ANTENNAS



1. a) Explain the features and benefits of smart antenna systems. 7M

b) Explain Friis transmission formula in antennas 7M

2. Explain about Fixed Beam Arrays and Retrodirective Arrays 14M

3. a) Explain about probability density functions in randomprocess with 7M

mathematical equations.

b) Explain Stationarity and Ergodicity in random process. 7M

4. a) Explain the historical development of Smart Antennas. 7M

b) Explain code division transmit diversity method. 7M

5. a) Explain constant modulus algorithm for adaptiveBeamforming. 7M

b) Compare LMS and RLS algorithms for adaptive Beamforcing. 7M

6. a) Compare Bartlett and Capon methods of spectral estimation . 7M

b) Explain Linear Prediction method for Angle of Arrival estimation. 7M

7. a) Explain Maximum Entropy Angle of Arrival Estimate. 7M

b) Explain MUSIC algorithm for AOA estimate. 7M

8. a) Explain about optimum antenna element spacing in beamforcing array

performance. 7M

b) Explain different multi user modulation schemes. 7M

[M17 CS 1206]

17



SECURE COMMUNICATIONS



1. a) Explain the benefits and significance of Shannon’s theory. [7M]

b) Discuss about the Pseudo random sequence generators. [7M]

2. Briefly explain about the following terms: [14M]

a) Block ciphers b) Stream ciphers c) Security mechanism.

3. a) Explain various Multilevel relational data models. [7M]

b) Explain Internet security Protocols. [7M]

4. a) Discuss about the Policy enforcement and related issues. [7M]

b) What is Software penetrating testing. [7M]

5. Explain in detail about the Intrusion detection with various security concepts. [14M]

6. a) Explain various types of Biometrics. [7M]

b) Give the comparison between the Behavioural and Esoteric Biometric [7M]

Technologies

7. Explain the following terms: [14M]

a) Public Key Infrastructure

b) Technical Issues relating to Intrusion detection.

8. Explain the following terms: [14M]

a) Iris and Retina scanning b) Network security c) Define a Discipline.

[M17 CS 1207]

18



OPTICAL NETWORKS



1 a) Discuss the SONET frame structures 7M

b) Explain the following functions of ATM 7M

i. Connections and cell forwarding

ii. Signaling and Routing

2 a) Discuss different OADM architectures with neat figures. 7M

b) Draw the block diagram of broadcast and select ROADM and explain its

functioning. 7M

3 a) Discuss cost trade-offs by considering a PWDM ring architecture. 7M

b) Explain light path topology design (LTD) problem in brief. 7M

4 a) Mention the key attributes of optical layer (light path) service. 7M

b) Explain adaptation management in WDM optical networks with neat diagrams 7M

5 a) Explain unidirectional path switched rings used in the protection of SONET /

SDH 7M

b) Discuss the protection in IP with an example. 7M

6 a) Draw the block diagram of wavelength routing PON (WRPON) and explain

its working 7M

b) Explain the functions of each element of an access network with a neat

architecturaldiagram 7M

7 a) Explain optical time division multiplexing (OTDM) with a neat figure. 7M

b) Explain the following: 7M

i. Recirculation Buffering

ii. Burst Switching

8 a) Discuss architectural choices for next generation transport networks with neat 7M

diagrams.

b) Explain how the transmission capacity of an optical link is increased by SDM. 7M

[M17 CS 1208]

19



DIGITAL SIGNAL PROCESSORS AND ARCHITECTURES



1.a Draw and explain the block diagram of a Digital Signal-Processing system. 7M

b What are the different number formats that are used to represent signals and

coefficients in DSP systems? Explain any two of them. 7M

2. Discuss in brief about the data addressing capabilities of programmable DSP

devices with examples. 14M

3. Describe the following on-chip peripherals of TMS320C54xx processors.

(a) Hardware Timer 7M

(b) Host port interface 7M

4. a Write a brief note on Micro Signal architecture. 6M

b Explain in detail about Blackfin processor. 8M

5. a Draw and explain the block diagram of memory interface for

TMS320C5416 processor. 7M

b How does DMA help in increasing the processing speed of a DSP processor? 7M

6. a Explain in brief about errors in A/D conversion process. 7M

b Explain the concept of Pipelining for speeding up the execution of an

instruction. 7M

7. a Describe the operation of the following instructions: 7M

(i) MAS *AR3- , *AR4+, B, A

(ii) MAC *AR1+ , *AR2- , A

b Discuss in brief about the basic peripherals in analog devices family of DSP

devices. 7M

8. Write short notes on any TWO of the following: 14M

(a) Parallel I/O Interface

(b) Memory map of TMS320C5416

(c) Barrel Shifter

[M17CS1209]

20



INTERNET OF THINGS



1. a. Explain about web networking interface to cloud harnessing. 7M

b. Discuss Block diagram of IOT with smart objects and its platforms. 7M

2. a. What are the different communication technologies and mobile data technologies

used in IOT? 7M

b. Discuss different low power wireless technologies used in IOT. 7M

3. Discuss about RTLS+GPS agent and Multi agent systems. Differentiate 14M

RTLS+GPS and Multi agent system.

4. a. Explain architecture of IOT with machine to machine concept. 9M

b. What are the different communication patterns used in the field of IOT? 5M

5. a. Discuss about IOT protocol Architecture. 9M

b. What is the role of 6LOWPAN-IPv6 in IOT? 5M

6. Discuss different applications of IOT in the real time with the issues in it. 14M

7.a. Discuss about the IOT role in Manufacturing or health care or retail. 7M

b. Explain different models with support IOT prototype? 7M

8. a. How gateways are built based on Raspberry PI or beagle board? 7M

b. Discuss different data analysis techniques. 7M

[M17 CS 1210]

1

[M17 PS 1101] I/II MTECH I SEMESTER REGULAR EXAMINATIONS

POWER SYSTEMS & AUTOMATION DEPARTMENT OF ELECTRICAL & ELECTRONICS ENGINEERING

ADVANCED POWER SYSTEM OPERATION AND CONTROL MODEL QUESTION PAPER



1. a) Explain the gradient approaches hydro-thermal scheduling. ? 7M

b) Discuss the base point & participation factors method of economic dispatch. 7M

2. a) Obtain the solution of an optimal unit commitment problem with dynamic

programming method? 7M

b) Write the advantages of dynamic programming method over priority list scheme? 7M

3. a) Describe the application of Optimal power flow. 7M

b) Explain the flow diagram of Security constrained OPF. 7M

4. a) Two generators of rating 100MW and 200MW are operated with a droop characteristic

of 6% from no load to full load. Find the load shared by each generator, if a load of

270MW is connected across the parallel combination of those generators? 7M

b) Find the static frequency drop if the load is suddenly increased by 25MW on a system

having the following data: Rated capacity is 500MW, operating load is 250MW, inertia

constant is 5s, governor regulation R= 2Hz/ p.u MW, frequency is 50Hz. Also find the

additional generation? 7M

5. a) Explain the static response of two area system for un controlled case? 7M

b) Find the frequency of oscillations of the tie line power deviation for a two identical

area system given the following data: R=3.0Hz/p.u; H=5s; fo=60Hz. The tie line has a

capacity of 0.1p.u and is operating at a power angle of 45o? 7M

6. a) Explain about the optimal load flow control with an example? 7M

b) What is meant by performance index? Explain its importance? 7M

7. a) Derive the composite generation protection cost function? 7M

b) Explain how the fuel scheduling is done by linear programming? 7M

8. a) Explain the concept of power pools with an example? 7M

b) Explain about the economy inter change evaluation with an example? 7M

[M17 PS1101]

2



HVDC TRANSMISSION MODEL QUESTION PAPER



1. a) Briefly explain the power handling capabilities of HVDC lines. 7M

b) Mention the advantages of HVDC technical economical reliability aspects. 7M

2. a) Write the special features of converter transformers. 7M

b) Draw the equivalent circuit of converter and explain it. 7M

3. Mention the reasons for generation of harmonics in HVDC transmission. 14M

4. Write short notes on the following terms

a) Individual phase control 7M

b) Constant extinction angle 7M

5. a) Explain the significance of DC power modulation. 7M

b) What are the advantages of Multi-terminal DC links? 7M

6. a) Give the comparison between series and parallel MTDC systems. 7M

b) Draw and explain the rectifier characteristics by voltage limiting control method. 7M

7. a) Discuss about the over voltages due to disturbances on DC side. 7M

b) What are the uses of circuit breakers in HVDC systems? 7M

8. a) Explain briefly about surge arrester and their application? 7M

b) Discuss about over current protection. 7M

[M17PS1102]

3



REACTIVE POWER COMPENSATION & MANAGEMENT MODEL QUESTION PAPER



1. a) What are reactive characteristics of ideal load compensator? Discuss its objectives. 7M

b) Explain the method of phase balancing and power factor correction of unsymmetrical

loads. 7M

2. a) Explain the reactive power biasing is obtained with inductive and capacitive systems.

7M

b) Explain the compensation in transmission lines using synchronous condensers. 7M

3. Discuss in detail about dynamic shunt compensation in transmission lines. 14M

4. a) Discuss about the four characteristic time periods of a transient state in a compensated


b) Explain how shunt compensation is obtained by means of Mid-point shunt reactor or

capacitor in transmission lines 7M

.

5. Define reactive power management and explain the mathematical modeling of reactive

power dispatching strategy. 14M

6. a) Discuss the effects of under voltage on the performance of induction motor with

necessary diagrams. 7M

b) What is electromagnetic interference? Explain sources of EMI and methods to

minimize it. 7M

7. a) Explain the various system losses and the loss reduction methods used in distribution

side reactive power management. 7M

b) Explain kVAR requirements for domestic appliances in User side reactive power

management. 7M

8. a) Give the layout of electric traction system and discuss reactive power requirements of

the same. 7M

b) Explain the power factor of an electric arc furnace. 7M

[M17 PS 1103]

4



ANALYSIS OF POWER ELECTRONICS CONVERTERS MODEL QUESTION PAPER



1. a) Discuss the operation of ac voltage controller with PWM control. 7M

b) A single-phase full-wave ac voltage controller controls power flow from a 230V, 60Hz

ac source into a resistive load. The maximum desired output power is 10kW. Calculate

i) The maximum rms current rating of thyristors

ii) The peak current of thyristors iii) the peak value of thyristor voltage. 7M

2. a) Give examples for resistive –inductive loads. 7M

b) What are full converters? With a neat diagram and waveforms, explain the operation

of a single phase full converter with RL load. 7M

3. Single phase full converter connected to a 120 V, 60 Hz supply. The load current Ia is

continuous and its ripple content is negligible. The turns ratio of the transformer is unity.

a) Express the input current in a Fourier series; also determine the harmonic factor of the

input current, Displacement factor, and input power factor

b) If the delay angle is α = π/3, calculate Vdc, Vn, Vrms, harmonic factor, Displacement

factor, and power factor. 14M

4. (a) List the main advantages and applications of power factor correction converters. 7M

(b) With a neat schematic diagram, discuss the operation of a Single-phase single stage

boost power factor corrected rectifier. 7M

5. (a) Describe the working of single phase half bridge inverter with RL load. What is its

main drawback? 9M

(b) List the few industrial applications of inverters. 5M

6. With an appropriate power diagram discuss the principle of working of a three phase

inverter. Draw the waveforms on the each thyristor conduct for 1800 and the resistive

load is star connected. 14M

7. (a) What is multilevel inverter? List different types of multilevel inverters and explain its

principle of operation. 7M

(b) Compare different multilevel inverters based on the requirement of number of power

electronic devices. 7M

8. With a neat schematic diagram, explain the operation of a three-phase five level Cascaded

Multilevel Inverter. Also list their merits. 14M

[M17 PS 1104]

5



MODERN CONTROL THEORY MODEL QUESTION PAPER



1. a) Prove that similar matrices have the same characteristics polynomial and therefore the

same eigen values? 7M

b) Find the eigen values and Jordan form representation for the following matrices? 7M

2. a) Show that the solution to the homogenous state equation is unique.

7M

b) The following facts are known about the linear system

7M

3. a) Explain the general concept of observability? Explain the observability tests for

continuous time invariant systems? 7M

b) Consider the system described by

Is this system is controllable and observable? 7M

4. The block diagram of a system with hysteresis is shown in Figure.1 Using describing

function method, determine whether limit cycle exists in the system. If limit cycles

exists, determine their amplitude and frequency. 14M

6

5. Linear second order servo is described by the equation

where =0.15, = 1 rad/sec e(0)=1.5 and = 0. Determine the singular point.

Construct the phase trajectory, using the method of isoclines. 14M

6. a) Explain the stability analysis of the linear continuous time invariant systems by

Lyapunov second method. 7M

b) Illustrate the generation of Lyapunov function by Krasooviski’s method? 7M

7. a) Define the state observer? Deduce the expression for reduced order observer? 7M

b) Consider the system defined by:

Show that this system cannot be stabilized by the state feedback control μ = −kx

Whatever matrix k is chosen. 7M

8. Suppose that the system

is to be controlled to minimize the performance measure

Find a set of necessary conditions for solving optimal control using Hamiltonian

formula of variational calculus. 14M

[M17 PS 1105]

7



POWER SYSTEM SECURITY MODEL QUESTION PAPER



1. a) Explain how short-circuit faults can be simulated using Super-position theorem and

Thevenin’s theorem. 7M

b) Explain how ac short circuit component variation with time is estimated using fixed

impedance short-circuit analysis. 7M

2. a) Explain how general analysis technique can be used to calculate three-phase

shortcircuit fault currents and voltages.(fault at two different locations). 9M

b) Discuss the need for Probabilistic short circuit analysis. 5M

3. a) Explain how a permanently connected series reactor acts as a current limiter. 7M

b) Discuss the effect of Opening of unloaded delta-connected transformer tertiary

windings `on the short-circuit levels. 7M

4. a) Explain different steps in security constrained optimal power flow. 7M

b) Draw the flow-chart for carrying out contingency analysis of a given power system. 7M

5. Explain in detail with the help of a block diagram different operating states of a Power

System and discuss the need for real-time control. 7M

6. a) Explain the effects of location of fault with respect to short-circuit sources. 7M

b) Explain how solid state current limiters work. 7M

7. Define sensitivity factors used for contingency analysis of a power system. Also discuss

with the help of a flow-chart how contingency analysis is carried out using sensitivity

factors. 14M

8. a) Explain how ac and dc fault currents be estimated for a synchronous generator

connected through a radial network to short-circuit fault location. 7M

b) Explain how a resistor or reactor connected to the neutral of a transformer acts as a

current limiter. 7M

[M17PS1106]

8



OPTIMIZATION TECHNIQUES MODEL QUESTION PAPER



1. a) State an optimization problem. Give any five Engineering applications of optimization. 7M

b) Find minimum value of the function f(X1, X2) = X1 2 + X2

2 -10 X1-10X2 satisfying the

constraints X1+X2≤ 9, X1-X2≥ 6 and X1, X2≥ 0 using Lagrangian multipliers. 7M

2. An advertising company has to plan their advertising strategy through the different media,

namely TV, Radio and Newspaper. The purpose of advertising is to reach maximum number of

potential customers. The cost of an advertisement in TV, Radio and Newspaper are Rs 3000/-,

Rs2000/- and Rs2500/- respectively. The average expected potential customers reached per unit

by 20000 of which 15000 are female customers. These figures with Radio are 60000 and 40000

and with Newspaper 25000 and 12000 respectively. The company has a maximum budget for

advertising is Rs50000/- only. It is proposed to advertise through TV or Radio between 6 and 10

units and atleast 5 advertisements should appear in Newspaper. Further it decides that atleast

100000 exposures should take place among female customers. Budget of advertising by

Newspaper is limited to Rs25000/- only. Formulate into linear programming problem and solve

it by using simplex method. 14M

3. Minimize Z= X1-X2+2X1 2 + 2 X1X2+ X2

2 with the starting point (0,0) using the univariate

method. 14M

4. a) What is Two-Phase simplex method? Explain the same with necessary steps. 7M

b) Solve the following linear programming problem 7M

Minimize Z= 2X1+9X2+24X3 + 8 X4+ 5X5

Subject to X1+X2+ 2X3-X5-X6=1

-2 X1+X3+ X4+X5-X7 = 2 And

Xi ≥ 0, i= 1,2,3,4,5,6,7

5. a) State Kuhn- Tucker conditions. 7M

b) Minimize f(X1, X2) = (X1-1)2 + (X2-5)

2

Subject to -X1

2 + X2 ≤ 4

-(X1-2)2 + X2 ≤ 3 by Kuhn- Tucker conditions. 7M

6. Solve the following problem by Powell’s method (Use pattern search directions) Minimize

f(X1, X2) = 4X1 2 + 3X2

2 -5 X1X2-8X1 from starting point (0, 0). 14M

7. a) While solving the linear programming problem, explain how you would select a basic

variable that should become a non- basic variable? 7M

b) Solve the following Linear Programming Problem by Revised simplex method.

9

Maximize Z= 5X1+ 3X2

Subject to 4X1+ 5X2 ≥ 10 7M

5X1+ 2X2 ≤ 10

3X1+ 8X2 ≤ 12 And

X1, X2≥ 0

8. a) Minimize f(X1, X2) = 2X1 2

+ X2 2 by using the Steepest Descent Method with the starting

point (1, 2). 7M

b) Write any Two of the following 7M

(i) Broyden- Fletcher- Goldfarb- Shanno method (ii) Zoutendijk’s method (iii) Marquardt

method (iv) Fibonacci method

[M17 PS 1107]

10



GENERATION AND MEASUREMENT OF HIGH VOLTAGES MODEL QUESTION PAPER



1. a) Explain with neat diagrams the procedure to control electric field intensity in high voltage

equipment. 7M

b) Starting with Laplace’s equation in two dimension explain the Finite Difference

Method for Evaluation of field distribution. Discuss its advantages and disadvantages. 7M

2. a) Explain the principle of operation of electrostatic generators with a neat diagram. 7M

b) Derive an expression for ripple voltage of a multistage Cockcroft-Walton Circuit. 7M

3. a) Define ripple voltage. Show that the ripple voltage in a rectifier circuit depends upon the

load current and the circuit parameters. 7M

(b) Explain the series-parallel resonant circuit and discuss its advantages and disadvantages.

7M

4. (a) Draw a typical impulse current generator circuit and explain its operation and application.

7M

(b) A ten-stage impulse generator has 0.250μF condensers. The wave front and wave tail

resistances are 75 ohms and 2600 ohms respectively. If the load capacitance is 2.5 nF,

determine the wave front and wave tail times of the impulse wave. 7M

5. (a) An impulse generator has eight stages, each stage having a capacitor rated 0.16 μF; and

125 kV. The load capacitor is l nF. Find the values of the wave shaping resistors needed to

generate a 1.2/50 μs lightning impulse wave. What is the maximum output voltage of the

generator if the charging voltage is120kV? What is the energy rating of the generator? 7M

(b) Explain one method of controlled tripping of impulse generators. Why is controlled

tripping necessary? 7M

6. (a) Draw a neat schematic diagram of a generating voltmeter and explain its principle of

operation. Discuss its application and limitations. 7M

(b) Discuss the different methods of measuring high DC voltages. What are the limitations in

each method? 7M

7. (a) Explain with neat diagram how rod gaps can be used for measurement of high voltages.

Compare its performance with a sphere gap. 7M

(b) Give the schematic arrangement of an impulse potential divider with an oscilloscope

connected for measuring impulse voltages. Explain the arrangement used to minimize errors.

7M

11

8. (a) What are the problems associated with measurement of very high impulse voltages?

Explain how these can be taken care of during measurements. 7M

(b) Draw Chubb-Fortescue Circuit for measurement of peak value of AC voltages discuss

its advantages over other methods. 7M

[M17 PS 1108]

12



RENEWABLE ENERGY SYSTEMS MODEL QUESTION PAPER



1. a) List various conventional and Non conventional energy sources. 7M

b) Explain the role of renewable energy sources with respect to Indian scenario. 7M

2. a) With a neat schematic explain about nuclear power generation . 7M

b) Derive an expression for power produced by wind from fundamentals. 7M

3. a) Draw the characteristics of a P-V cell. 7M

b) What is wave power? 7M

4. a) With a neat diagram explain the Hydroelectric power plant. 7M

b) Write a brief note on surge absorber and penstock. 7M

5. a) What is meant by dynamic frequency control and why it is needed? 7M

b) How does the reliability of system is affected by use of renewable energy sources? 7M

6. Write short note on following

a) Distributed generation 7M

b) Various issues related with embedded generation. 7M

7. a) What are various costs associated with electricity generation. 7M

b) Discuss about electric trading? 7M

8. What is the future of various renewable energy sources in India? 14M

[M17 PS 1109]

13



ADVANCED DIGITAL SIGNAL PROCESSING MODEL QUESTION PAPER



1. a) What is multi rate signal processing? Explain any two applications of multi rate signal

processing? 7M

b) Derive the frequency domain transfer function of a decimator. 7M

2. a) Give a brief account of poly phase filter structures. 7M

b) Discuss clearly the process of sampling rate conversion of band pass signals. 7M

3. a) Discuss in brief about Bartlett method of power spectrum estimation. 7M

b) Determine the frequency resolution of Bartlett, Welch and Blackman-Tukey methods

of power spectrum estimates for a quality factor Q=10. Assume that overlap in Welch

method is 50% and length of sample sequence is 1024. 7M

4. a) Derive the mean and variance of the power spectral estimate of the Blackman Tuckey

method. 7M

b) Discuss the procedure for the design of IIR filters and what are the constraints in the

design of IIR filters using analog structures. 7M

5. a)Write a brief notes on lattice structures. Mention the advantages of lattice structures.

7M

b) Draw and explain the lattice ladder structure for realization of pole zero system. 7M

6. a)What is the basic principle of parametric methods in power spectral estimation?

Discuss various techniques in parametric method. 7M

b) Obtain the relation between model parameters and the Auto Correlation coefficients in

AR model spectral estimation. 7M

7. a) What are the quantization errors in FFT algorithm? Explain them. 7M

b) Explain about the errors result that from the truncation and rounding with an example.

7M

8. Determine the mean and the auto correlation of the sequence x(n) generated by the

MA(2) process described by the difference equation. X(n) = w(n) -2 w(n-1) + w(n-2)

Where w(n) is the white noise process with variance σ2 w. 14M

[M17 PS 1110]

14



POWER SYSTEM RELIABILITY MODEL QUESTION PAPER



1. A Power System contains four generating units, where units 1, 2 and 3 have a capacity of

20MW and unit four has a capacity of 40 MW. The failure rate and the repair rate of each

unit is 0 .4 per year and 9.6 per year respectively. Develop the combined capacity outage

probability table. 14M

2. A generating unit consists of 2×25 & 1×50 MW units with a failure rate of 0.01 failures

per day and repair rate 0.49 per day. Obtain the Cumulative Probability and Cumulative

frequency of all the possible states. 14M

3. a) Explain Common mode failure of a power system network. 7M

b) What is the importance of security function and Explain its model with respect to

reliability studies of power system? 7M

4. a) Define: (a) SAIFI (b) SAIDI(c)CAIDI and (d) ENS of a distribution system. 4M

b) With the help of state diagrams, explain the probability array method in two

interconnected systems. 8M

5. a) What do you meant by overlapping forced outages and give two examples. 4M

b) Explain transient, active and passive failures in a distribution system with the

help of state space & sequence diagrams. 8M

6. a) A system consists of two 4 MW units and one 6 MW unit with forced outage rates of

.02. Develop the capacity outage probability table. 7M

b) Draw and explain the state space representation of a two-level load model. 7M

7. a) Discuss the effect of weather on the reliability of a transmission lines. 7M

b) Explain the modeling of generator using STPM approach. 7M


a) Active and Passive failures. 7M

b) Effects of limited and unlimited tie capacities on reliability of interconnected system. 7M

[M17 PS 1111]

15



ELECTRICAL DISTRIBUTION SYSTEMS MODEL QUESTION PAPER


ALL QUESTIONS CARRY EQUAL MARKS 1. a) Explain briefly about the different types of distribution sub transmission system 7M

b) Write briefly about factors affecting the primary feeder loading. 7M

2. a) Explain the following terms: 7M

(i) Utilization Factor (ii) Contribution factor (iii) Diversity Factor

b) Write briefly about factors effecting the primary feeder rating 7M

3. a) Explain detail description of the distribution transformer loading. 7M

b) Explain the modelling of delta and star connected loads. 7M

4. a) Explain the forward sweep distribution load flow algorithm. 7M

b) Explain the approximate line segment modelling in distribution system. 7M

5. a) Derive an expression for voltage drop and power loss for uniformly radial type

distribution load. 7M

(b) Consider a three phase, 3 wire 240V secondary system with balanced loads at A, B

and C as shown in Figure (1) Determine: (i) The voltage drop in one phase of lateral (ii)

The real power per phase for each load (iii) The reactive power per phase for each load.

7M

6. a) Derive equations for the K constants in distribution load systems. 7M

b) write briefly about radial feeder uniformly distributed loads. 7M

7. a) Explain different types of three phase capacitor bank connections. 7M

b) Write briefly about the distribution feeder cost calculation methods. 7M

8. a) write brief note on 14M

i) smart grid, ii) micro grid, iii) Nano grid with simple examples

[M17 PS 1112]

16

[M17 PS 1201] I/II MTECH II SEMESTER REGULAR EXAMINATIONS


POWER SYSTEM DYNAMICS AND STABILITY MODEL QUESTION PAPER



1 Explain the phasor representation and equivalent circuit used in the steady state

analysis of synchronous machine in detail. 14M

2 Discuss the examination of dynamic stability of Routh’s criterion. 14M

3 a) State and explain the steady state stability. 7M

b) Derive an expression for the steady state stability power limit. 7M

4 Explain the analysis of transient stability using Modified Euler's Method? 14M

5 a) Discuss direct solution method in analysing transient stability? 7M

b) Discuss the concept of multi machine stability. 7M

6 a) Discuss the effect of governor action on Power system stability? 7M

b) Explain the effect of excitation on transient system stability? 7M

7 a) Write short notes on brushless excitation system? 7M

b) Develop the stats space description of the excitation system. 7M

8 With neat sketch, explain rotating main and pilot exciters with Indirect acting

Rheostatic type Voltage regulator? 14M

[M17 PS 1201]

17



REAL TIME CONTROL OF POWER SYSTEMS MODEL QUESTION PAPER



1. a) Explain different types of state estimations in detail. 7M

b) In the DC circuit of figure below, the meter readings are z1=9.01 A, z2=3.02A,

z3=6.98V and z4=5.01V. Assuming the ammeters are more accurate than the voltmeters,

let us assign the measurement weights w1=100, w2=100, w3=50 and w4=50, respectively.

Determine the weighted least squares of the voltage sources V1 and V2. 7M

2. a) How bad data is identified and eliminated? Explain. 7M

b) What are the different non sequential methods to process measurements? Explain 7M

3. a) Explain in detail about security analysis and monitoring. 7M

b) What is fast decoupled model? Describe in detail. 7M

4. a) Draw the block diagram for real time computer control of power systems and Explain

different components. 7M

b) What is energy control centre? Explain in detail. 7M

5. a) What is SCADA? Explain its applications in industry. 7M

b) What are the different software requirements in power system controlling? Explain.

7M

6. a) What are the different problems associated with voltage stability? Explain. 7M

b) Draw P-V curves and explain them in detail. 7M

7. a) What is voltage collapse? Explain the reasons. 7M

b) Explain in detail about the long term voltage stability. 7M

8. a) What is Artificial intelligence? Explain their applications in power systems. 7M

b) Discuss in detail about fault diagnosis. 7M

[M17 PS 1202]

18



ARTIFICIAL INTELLIGENCE TECHNIQUES MODEL QUESTION PAPER



1. a) Compare Biological neuron model and Artificial neuron model and explain about

ANN advantages. 7M

b) Define learning and explain about error correction learning strategies of ANN. 7M

2. a) What is meant by pattern classification problem? Explain the training algorithm of

continuous Perceptron model to solve classification problem. 7M

b) What are the limitations of Perceptron model? Explain. 7M

3. Obtain output equations and weight update equations for a 3-layer feed forward neural

network using Back propagation algorithm and also discuss about the limitations of Back

propagation algorithm. 14M

4. a) What is the basic principle involved in the operation of Genetic Algorithm? Explain.

7M

b) Discuss in detail about various methods involved in the reproduction operation. 7M

5. a) With the help of flow chart explain the computational process of GA. 7M

b) Write short notes on Single point cross over, Multi point cross over and uniform cross

over. 7M

6. a) With suitable examples explain in detail about various Fuzzy set properties. 7M

b) Explain in detail about various Fuzzy set relations. 7M

7. What are the various components of Fuzzy logic system? Explain each of them in detail.

14M

8. What is meant by Load Frequency Control (LFC) problem? Explain the role of Fuzzy

logic to solve LFC problem. 14M

[M17 PS 1203]

19



FLEXIBLE AC TRANSMISSION SYSTEMS MODEL QUESTION PAPER



1. a) Compare between HVAC and HVDC transmission systems. 7M

b) With examples, discuss the power flow through parallel transmission systems. 7M

2. What are the main advantages of FACTS controllers? Also list and explain different

types of FACTS controllers. 14M

3. a) What are the advantages of three-phase converters over single-phase converters? 7M

b) With a net circuit diagram and waveforms, explain the operation of full wave bridge

converter. 7M

4. What is the importance of pulse number of a converter? Discuss the transformer

connections for 12 pulse and 24 pulse operation of a converter. 14M

5. a) What are the main objectives of shunt compensation? 7M

b) With phasor diagram and power-angle curves, discuss midpoint voltage regulation of a


6. What are static var generators? Explain the operation of variable impedance type static

var generators. 14M

7. What is a STATCOM? What are its applications? Explain its operation. 14M

8. List different series FACTS converters. With neat circuit diagrams, discuss the operation

of thyristor switched series capacitor (TSSC), and thyristor controlled series capacitor

(TCSC). 14M

[M17 PS 1204]

20



SMART GRID TECHNOLOGIES MODEL QUESTION PAPER



1 a) Difference between conventional Electric grid and smart grid. 7M

b) Explain the need and functions of smart grid. 7M

2. a) Explain briefly about the outage management system (OMS)? 7M

b) Write different types of smart meters and explain the Automatic meter reading (AMR). 7M

3. a) Explain briefly about Wide area measurement system (WAMS). 7M

b) Write briefly about smart substation and explain the substation automation. 7M

4. a) explain the need of microgrid and write the application of microgrid. 7M

b) write briefly about the issues of interconnection in microgrid. 7M

5. a) Explain the power quality conditioners for smart grid. 7M

b) Explain the power quality Audit in Smart grid. 7M

6. a) Explain the wide area networks (WAN) in smart grid. 7M

b) Explain the Advanced metering infrastructure (AMI) in smart grid. 7M

7. a) Explain briefly about the plug in hybrid electric vehicles (PHEV) in smart grid. 7M

b) Explain briefly about the feeder automation in smart grid. 7M

8. a) write briefly about the protection & control of Microgrid. 7M

b) Explain briefly about the integration of renewable energy sources in microgrid. 7M

[M17 PS 1205]

21



POWER QUALITY MODEL QUESTION PAPER



1. a) Explain characteristics of power quality events in short and long duration voltage

variations. 7M

b) Discuss in detail about transients with respect to power quality. 7M

2. Explain the following: 14M

a) Voltage Unbalance

b) Waveform Distortion

c) Voltage fluctuation

d) Power Frequency Variations

3. a) What are the main sources of transient over voltages. Explain the capacitor switching

transient over voltages in detail. 7M

b) Discuss the principles of over voltage protection of load equipment. 7M

4. Explain various devices used for the protection of equipment from the over voltages due

to transients. 14M

5. a) Explain the following harmonic indices in detail: 7M

(i) Total Harmonic Distortion

(ii) Total Demand Distortion

(b) Write a short note on power system quantities under non-sinusoidal conditions. 7M

6. a) What is the need of locating harmonic sources? Explain the power system response

characteristics under the presence of harmonics. 7M

b) Discuss the impact of harmonic distortion on transformers and capacitors. 7M

7. a) Explain how the utility voltage is regulated with distributed resources. 7M

b) Discuss about various devices used for voltage regulation in long duration voltage

variation. 7M

8. a) What are the problems that are noticed when the DG is interfaced to the utility system.

Discuss the impact of DG interface to utility system. 7M

b) Explain the power quality issues when the DG is integrated to utility system. 7M

[M17PS1206]

22



ADVANCED POWER SYSTEM PROTECTION MODEL QUESTION PAPER


ALL QUESTIONS CARRY EQUAL MARKS 1 a) Discuss how a phase comparator can be converted to an amplitude comparator

and vice versa. [9]

b) Write a short note on Schmitt Trigger Circuit. [5]

2 Derive the generalized equations for amplitude and phase comparison

techniques. [14]

3 a) Explain about rectifier bridge circulating and opposed voltage type amplitude

comparators. [9]

b) Write a short note on transistor integrating type phase comparison technique. [5]

4 Draw the block diagram of Static time-current relay and explain various

functional blocks with individual circuits. [14]

5 a) Explain about measurement of sequence impedances in distance relays. [9]

b) How elliptical relay characteristics are realized using static circuits? [5]

6 Draw practical scheme based on circulating current principle for wire pilot

protection and explain its operation. [14]

7 a) What is carrier blocking scheme? Discuss its merits and demerits over other

types of carrier-aided distance protection. [9]

b) What are optical fiber channels? What is its future prospect? [5]

8 Explain the Microprocessor implementation of digital distance relaying

algorithms with the help of a block diagram. [14]

[M17 PS 1207]

23



EHVAC TRANSMISSION MODEL QUESTION PAPER



1 A 3-phase 750 kV horizontal line has minimum height of 12 m, sag at midspan = 12

m. Phase spacing S = 15 m. Conductors are 4 × 0.035 m with bundle spacing of B =

0.4572 m. Calculate per kilometre:

a) The matrix of Maxwell's Potential coefficients for an untransposed configuration.

b) The inductance and capacitance matrices for untransposed and

transposedconfigurations.

c) The zero-, positive-, and negative-sequence inductances and capacitances

fortransposed line.

d) The ground-return resistance and inductance matrices at 750 Hz taking ρs = 100

ohm-metre. For calculation take Hav = Hmin + Sag/3. 14M

2 Consider the given figure. show that the voltage drop from A to B and B' to A add to

where s = the Laplace-Transform operator. 14M

3 A sphere gap consists of two spheres with R = 0.25 m each. The gap between their

surfaces is 0.5 m. Calculate (i) the charges and their locations to make the potentials

1 and 0 (ii). the voltage gradient at X = 0.25 m for the sphere gap (iii) the potential

difference between the spheres for E = 30 kV/cm = 3000 kV/m, peak. 14M

4 Describe surface voltage gradient distributions on bundled conductors with N = 2, 4,

6 Sub-conductors. 14M

5 A transmission line is 300 km long and open at the far end. The attenuation of surge

is 0.9 over one length of travel at light velocity. It is energized by (a) a step of 1000

kV, and (b) a sine wave of 325 kV peak when the wave is passing through its peak.

24

Calculate and plot the open-end voltage up to 20 ms. 14M

6 Compute the r.m.s. values of ground-level electrostatic field of a 400-kV line at its

maximum operating voltage of 420 kV (line-to-line) given the following details.

Single circuit horizontal configuration. H = 13 m, S = 12 m, conductor 2 × 3.18 cm

diameter, B = 45.72cm. Vary the horizontal distance along ground from the line

centre from 0 to 3 H. 14M

7 Describe and explain the following the cascade connection of components : Shunt,

sub synchronous resonance in series – capacitor compensated lines. 14M

8 Explain how Harmonics injected into network by TCR under

a) Harmonic Injection by TCR in to high voltage system. 5M

b) Connection of TCR to delta and Ύ connected transformer windings. 5M

c) Voltage and current wave forms for α=90°, α>90° for calculations of harmonics.

4M

[M17 PS 1208]

25



POWER SYSTEM DEREGULATION MODEL QUESTION PAPER


ALL QUESTIONS CARRY EQUAL MARKS 1. a) What is deregulation? Explain the need and conditions required for a deregulated

market. 7M

b) Explain in detail the concepts of marginal cost of generation, least cost operation and

incremental cost of generation. 7M

2. a) What are different structures and the forms of ownership and management? 7M

b) brief explain deregulated models of power systems based on energy trading. 7M

3. What are bilateral and pool markets? Analyse and explain them in brief. 14M

4. a) discuss and list out the history of power system deregulation in India? 7M

b) What is market power and discuss various transmissions pricing in power systems.

7M

5. a) What is the effect of congestion on LMPS country practices? 7M

b) Explain 7M

i) Purchasing agency model.

ii) Wholesale competition model.

iii) Retail completion model.

6. a) What meant by market structure, market architecture spot market, forward markets

and settlements. 7M

b) Explain in detail the synchronous generator as ancillary service providers. 7M

7. a) What is meant by ancillary service management? 7M

b) What are various, technical, economic & regulatory issues involved in the

deregulation of the power industry. 7M

8. a) Explain in detail power wheeling transactions and marginal costing, transmission

costing? 7M

b) Explain in detail different congestion management methods? 7M

[M17 PS 1209]

26



HIGH VOLTAGE TESTING TECHNIQUES MODEL QUESTION PAPER


ALL QUESTIONS CARRY EQUAL MARKS 1 a) Explain the operation of high voltage Schering bridge when the test specimen

(i) is grounded (ii) has high loss factor. 7M b) A 33 kV, 50 Hz high voltage Schering bridge is used to test a sample of

insulation. The various arms have the following parameters on balance. The standard capacitance 500 pF, the resistive branch 800 ohm and branch with parallel combination of resistance and capacitance has values180 ohms and 0.15 µF. Determine the value of the capacitance of this sample its parallel equivalent loss resistance, the p.f. and the power loss under these test conditions. 7M

2 a) Discuss various types of transformer ratio arm bridges and give their application

and advantages. 7M b) Explain how the volume resistivity of a solid dielectric is determined. 7M

3 a) Briefly discuss the necessity of testing standards? 7M b) Explain the different tests conducted on pin type glass insulators. 7M 4 Explain in detail the various artificial contamination tests? 14M 5 a) Explain in detail the over voltage tests on Isolators and Cables? 7M b) With suitable example, compare Laboratory testing and In service performance?

7M 6 a) What is the significance of impulse tests? Briefly explain the impulse testing on

insulators. 7M b) Explain briefly impulse testing of power transformer. 7M 7 a) Develop and draw equivalent circuit of insulating material during partial

discharge. 7M b) Compare the performance of narrow band and wide band PD measuring

circuits. 7M 8 a) Explain the importance of RIV measurement and discuss with a schematic

diagram one method of measuring RIV of transmission line hardware. 7M

[M17 PS 1210]

27



POWER SYSTEM TRANSIENTS MODEL QUESTION PAPER



1. a) Explain the transient analysis for series RLC circuit with relevant expressions? 7M

b) Derive sequence components by considering an unbalanced impedance network of a

3phase system. 7M

2. a) Explain briefly Bewley lattice diagram. 7M

b) Explain briefly about attenuation and distortion of electromagnetic waves. 7M

3. a) Explain briefly about transient recovery voltage during switching condition. 7M

b) Write about arc interrupton in circuit breaker. 7M

4. a) Write about short circuit test duties based on IEC60056(1987). 7M

b) Explain transient recovery voltage for different types of faults. 7M

5. a) Explain direct lighting stroke to transmission line towers. 7M

b) Explain lighting protection schemes. 7M

6. a) Write about numerical simulations of electrical transients. 7M

b) Explain about electro magnetic transient programming(EMTP) 7M

7. a) Explain about interruption of inverse currents. 7M

b) Explain about interruption of capacitve currents. 7M

8. a)Derive an expression for propagation velocity and characteristic impedance of a travelling

wave. 7M

b)Explain the travelling wave phenomenon in multi conductor system. 7M

[M17 PS 1211]

28



VOLTAGE STABILITY MODEL QUESTION PAPER



1. a) Define the following: i) Voltage Stability ii) Voltage Collapse iii) Voltage Security.

7M

b) What are the factors affecting voltage collapse and insecurity. Explain the voltage

stability relation with these factors. 7M

2. a) Explain the importance of PV and QV curves in the analysis of voltage stability. 9M

b) Explain about angular stability. 5M

3. a) Develop a direct indicator of voltage stability of a single machine connected to infinite

bus. What is its effect on voltage stability margin? 7M

b) Explain how the following loads that influences the voltage stability

(i) Discharge lights, (ii) Air conditioning and (iii) Electronic power supplies. 7M

4. Describe the analytical concept of voltage stability for a single machine connected to

infinite bus 14M

5. Describe the method of shunt compensation? Explain how this can be achieved with

devices available. 14M

6. Explain the effect of series compensation on voltage instability? What are the devices

used for series compensation 14M

7. Discuss the stability margin of compensated and uncompensated system 14M

8. Discuss in detail, enhancement of voltage stability with various types of localized

reactive power support. 14M

[M17PS1212]

1

[M17 IT 1101] I/II MTECH I SEMESTER REGULAR EXAMINATIONS

INFORMATION TECHNOLOGY DEPARTMENT OF INFORMATION TECHNOLOGY

ADVANCED DATA STRUCTURES MODEL QUESTION PAPER



1. (a) Explain about the implementation of stack operations using linked lists. 7M

(b) What is a linked list? Specify the difference between singly, doubly and circular

linked lists.

7M

2. (a) How can you perform the selection sort and sort the following elements by using

the selection sort technique 70, 30, 20, 50, 60, 10,40.

7M

(b) Explain about Breadth First Search Traversal technique with an example. 7M

3.(a) What do you mean by a hash table and a hash function? Explain the following

hash functions with an example

(i). Division method (ii). Mid square (iii). Digit analysis

7M

(b) What do you mean by collision and how can you handle it by using linear

probing.

7M

4.(a) What is a binary search tree (BST) and specify the steps showing the construction

of a BST for the following data 10, 08, 15, 12, 13, 07, 09, 17, 20, 18, 04, 05.

7M

(b) What is a priority queue ADT and explain the insertion & deletion operations on a

priority queue with an example.

7M

5. (a) What do you mean by a balance factor in AVL tree and explain about LL & RR

rotations with an example.

7M

(b) What is a B-Tree. Specify its properties and describe the construction of a B-Tree

for the following elements 5, 2, 13, 3, 45, 72, 4, 6, 9, 22.

7M

6. (a) Create a binary tree from the following in-order and pre-order traversal data In-

order traversal data: g,d,h,b,e,i,a,f,j,c. Pre-order traversal data: a,b,d,g,h,e,i,c,f,j.

7M

(b) Explain with an example about the collision handling by using a double hashing

technique.

7M

7.(a) What do you mean by height of an AVL tree and explain about double rotations

with an example.

7M

(b) What is a binary tree and define the following binary tree’s with an example

(i). Full binary tree (ii). Complete binary tree (iii) left & right skewed binary tree

7M

8.(a) Write an algorithm for a binary search technique and explain it with the help of an

example.

7M

(b) Construct an AVL Tree with following data: 10 15 9 12 13 79 45 36 22. 7M

[M17 IT 1101]

2



DISTRIBUTED SYSTEMS MODEL QUESTION PAPER



1. (a) What is the importance of Client- Server communication? What are the main

operations of the request- reply protocol?

7M

(b) In Remote Procedure Calls, what are the roles of the Client and Server Stub

Procedures?

7M

2. (a) Compare between the microkernel based operating System and the monolithic

Operating system design.

7M

(b) What are the various requirements of Distributed File Systems? 7M

3.(a) What are the criteria for evaluating the performance of mutual exclusion

algorithms?

7M

(b) What are Nested Transactions? How are they different from Flat transactions? 7M

4.(a) Differentiate between the Backward and Forward validation approaches in the

Optimistic Concurrency Control Algorithms.

7M

(b) Explain the Edge- chasing distributed Deadlock Detection Algorithm. 7M

5. (a) Bring out the importance of Digital Signatures in ensuring Security. 7M

(b) For the various distributed shared memory consistency models, in what ways can

updates be propagated?

7M

6. (a) With suitable diagram, explain the architecture of SUN Network File System 7M

(b) What are the motivations for Replication in distributed Systems? 7M

7.(a) Give a comparison of different methods for concurrency control. 7M

(b) Explain the Memory Management mechanism in MACH operating system 7M


a) IPC in UNIX b) Logical clocks. c) Fault Tolerance in Distributed Systems

14M

[M17 IT 1102]

3

[M17 IT 1103]

I/II MTECH I SEMESTER REGULAR EXAMINATIONS INFORMATION TECHNOLOGY

DEPARTMENT OF INFORMATION TECHNOLOGY SOFTWARE REQUIREMENTS AND ESTIMATION



1. (a) Explain good practices adopted for software requirements engineering. 7M

(b) Explain how the requirements process can be improved. 7M

2. (a) Discuss how risk reduction can be done by prototyping. 7M

(b) Discuss how to verify requirements quality. 7M

3.(a) What is meant by requirements modeling? 7M

(b) Discuss about state transition and class diagrams with suitable examples. 7M

4.(a) Explain the requirements management principles and procedures. 7M

(b) What are the specific steps to be considered to implement requirements traceability

on a specific project?

7M

5. (a) List out the benefits in using requirements Management Tools? 7M

(b) Draw the figure how the requirements Management Tools integrate with other kinds

of software tools. Explain about Rational Requisite Pro.

7M

6. (a) What are the components of Software estimation? Discuss them in detail. 7M

(b) Discuss the key project factors that influence estimation. 7M

7.(a) Explain the MARK II FPA. 7M

(b) Explain the LOC estimation. 7M

8.(a) Explain the SLIM TOOLS and COCOMO II. 7M

(b) Explain the Putnam Estimation Model. 7M

[M17 IT 1103]

4


INFORMATION TECHNOLOGY DEPARTMENT OF INFORMATION TECHNOLOGY DATA MINING AND KNOWLEDGE DISCOVERY



1. (a) What is knowledge discovery? What is the role of data mining in the process of

Knowledge discovery?

7M

(b) Explain concept hierarchy generation .With a suitable example show how is it done

for categorical data.

7M

2. (a) What is data reduction? What are the different data reduction strategies? 7M

(b) What are the desirable properties of discovered knowledge? 7M

3.(a) Explain the different tasks in data cleaning. 7M

(b) Explain task specific population initialization and seeding. 7M

4.(a) Explain constraint based association mining. 7M

(b) What is fitness function and evaluation? 7M

5. (a) What is prediction? What are the issues related to classification and prediction? 7M

(b) Write the algorithm for classification by decision tree induction. 7M

6. (a) What is cluster analysis? What are its desired features? 7M

(b) Write a brief note on various cluster analysis methods. 7M

7.(a) Explain rule based classification with an example. 7M

(b) Explain linear regression and non linear regression. 7M

8.(a) What is Web Mining and explain its characteristics. 7M

(b) Explain about Ranking of WebPages with example. 7M

[M17 IT 1104]

5

[M17 IT 1105]

I/II MTECH I SEMESTER REGULAR EXAMINATIONS INFORMATION TECHNOLOGY

DEPARTMENT OF INFORMATION TECHNOLOGY ADVANCED COMPUTER NETWORKS



1. (a) Explain different methods that can be used for broadcast routing. 7M

(b) Explain about Route Discovery and Route Maintenance in MANETS. 7M

2. (a) For the IPv4 addresses given below calculate Subnet Mask, Broadcast Address And

Number of Hosts possible i.) 10.0.199.237/22 ii.) 192.168.14.87/26

7M

(b) What is the necessity of IPv6 addressing? And how IPv6 is advantageous over IPv4? 7M

3.(a) With a neat sketch explain the architecture if IPv4 datagram. 7M

(b) Explain the transformation pf IPV4 to IPV6 7M

4.(a) Elaborate on different methods in TCP to handle flow control. 7M

(b) Explain association establishment process in SCTP. 7M

5. (a) Write notes on open loop and closed loop congestion control methods. 7M

(b) Write notes on congestion control in TCP. 7M

6. (a) Explain about Voice over IP and Audio Compression 7M

(b) Write short notes on MBone-the multicast back bone? 7M

7.(a) Write notes on Operating system support in sensor devices 7M

(b) Explain in detail about the design of Wireless mesh Networks. 7M

8.(a) Explain UDP Operations and Uses 7M

(b) Explain Flow classes techniques to improve QOS. 7M

[M17 IT 1105]

6



WEB TECHNOLOGIES MODEL QUESTION PAPER



1. (a) Design the static web page that display a marks table with three rows and three

columns as shown below:

Marks1 Marks2 Marks3

90 90 90

81 80 82

7M

(b) Explain how events are handled in JavaScript. 7M

2. (a) Create a DTD for your daily schedule. 7M

(b) Define an XML schema. Show how an XML schema can be created. 7M

3.(a) What is AJAX? When can we use AJAX? Explain with an example. 7M

(b) Explain the characteristics of WSDL and SOAP 7M

4.(a) Discuss different types of Conditional statements in PHP 7M

(b) Write a PHP program to demonstrate the passing a variable by reference. 7M

5. (a) Write a Perl program to connect to a MySQl database table. 7M

(b) How to call and identify a subroutine in Perl? Explain with examples. 7M

6. (a) What are the three levels of method access control for classes? What do they signify?

Explain.

7M

(b) Write Ruby program which uses Math module to find area of a triangle 7M

7.(a) List out the categories of Perl functions. Explain any two functions for each

category.

7M

(b) What are web services platform elements? Explain. 7M

8.(a) How does a symbol differ from a string in Ruby language? 7M

(b) Write a Ruby program that uses iterator to find out the length of a string. 7M

[M17 IT 1106]

7

[M17 IT 1201] I/II MTECH II SEMESTER REGULAR EXAMINATIONS


ADVANCED UNIX PROGRAMMING MODEL QUESTION PAPER



1. (a) Explain UNIX Architecture? 14M

2. (a) Write a Shell Program for find the roots of quadratic equation 10M

(b) Write the syntax for For-Loop in Shell 4M

3. Explain the command ls –l in UNIX. 14M

4. Write about the command wc in UNIX. 14M

5. (a) Explain about File Permissions in UNIX. 7M

(b) Explain File Permissions Commands 7M

6. (a) Write about Directory Management in UNIX. 7M

(b) Explain Directory Management Commands 7M

7. (a) Explain the command chmod in UNIX. 7M

(b) Explain the command chown in UNIX. 7M

8.(a) Briefly explain any 7 File or Directory Handling Commands 14M

[M17 IT 1201]

8



CYBER SECURITY MODEL QUESTION PAPER



1. (a) Describe the different security attacks and mechanisms. 7M

(b) Draw the model for network security. 7M

2.(a) Describe the approaches for message authentication. 7M

(b) Define cryptography and explain one conventional encryption algorithm 7M

3.(a) Describe the RSA algorithm with an example. 7M

(b) Write about Kerberos. 7M

4.(a) Describe the IP Security architecture. 7M

(b) Describe the Secure Socket Layer management. 7M

5. Describe the working of SET 14M

6. (a) Write difference between MIME & SMIME. 7M

(b) Describe working of PGP. 7M

7.(a) Describe the working of Intrusion detection system. 7M

(b) Define Virus, Intruder and worm. 7M

8.(a) Explain the different types of firewall 7M

(b) Write About Trusted Systems. 7M

[M17 IT 1202]

9



BIG DATA ANALYTICS MODEL QUESTION PAPER



1. (a) Specify the role of job tracker and task tracker in HDFS. 7M

(b) Define the role of mapper code and reducer code in a map reduce application. 7M

2.(a) What is the difference between the ‘set’ & a ‘map’ data structure and explain about

various map implementations in java with suitable examples.

7M

(b) Specify the difference between a primitive type and a wrapper class. Explain about

the conversion from primitive type to wrapper class.

7M

3.(a) What are the various operational modes of hadoop cluster configuration ? 7M

(b) Similarities between the GFS & HDFS and explain the GFS architecture with a neat

sketch

7M

4.(a) Explain the role of combiner, record reader and Partitioner within a map reduce

program model of hadoop.

7M

(b) Distinguish between the old and new versions of Hadoop API for Map Reduce. 7M

5.(a) Explain the Writable class hierarchy with a neat sketch. 7M

(b) Explain the significance of Writable interface along with Writable Comparable and

comparators w.r.to implementing the serialization.

7M

6. (a) Explain the operators supported by pig w.r.to. Data access, transformations and

debugging operations

7M

(b) Explain the syntax of a pig program with suitable example. 7M

7.(a) Explain about the various data types supported by HIVEQL with an example. 7M

(b) Explain with neat sketch about the configuration of CLI client and WI client while

interacting with HIVE.

7M

8.(a) Write short notes on

a) IPC in UNIX b) Logical clocks. c) Fault Tolerance in Distributed Systems

14M

[M17 IT 1203]

10



CLOUD COMPUTING MODEL QUESTION PAPER



1. (a) List and explain the cloud computing delivery models and services. 7M

(b) Define parallel computing. Explain the Parallel computer architecture. 7M

2.(a) Explain the Microsoft Windows Azure and online services. 7M

(b) Discuss the existing cloud applications and new application opportunities. 7M

3.(a) Illustrate the Full virtualization and par virtualization. 7M

(b) Draw and explain the Xen on x86 architecture 7M

4.(a) Describe the Security risks posed by a management OS. 7M

(b) Briefly explain the Transaction processing and NoSQL databases. 7M

5.(a) How to install Hadoop on Eclipse on a Windows system? Explain 7M

(b) Discuss the Google Web Toolkit 7M

6. (a) List and explain the Ethical issues and Vulnerabilities of cloud computing 7M

(b) Explain the Open-source software platforms for private clouds 7M

7.(a) Write the limits of responsibility between a cloud user and the cloud service provider 7M

(b) Discuss the Stability of a two-level resource allocation architecture. 7M

8.(a) Describe the Security risks posed by shared images 7M

(b) Give brief note on Microsoft Dynamics CRM. 7M

[M17 IT 1204]

11



ADHOC AND SENSOR NETWORKS MODEL QUESTION PAPER



1. (a) What issues make sensor networks a distinct category of ad hoc wireless

networks? Explain

7M

(b) Draw the schematic diagram of the ad hoc wireless internet. Mention some of the

applications of the ad hoc wireless internet. Why QOS support provision in the ad

hoc wireless internet is an important issue to be considered?

7M

2.(a) What are the main issues that need to be addressed while designing a MAC

protocol for ad hoc wireless networks?

9M

(b) Give the classification of random access protocols. 4M

3.(a) Classify the ad hoc wireless network routing protocols based on the routing

information update.

7M

(b) Discuss the on-demand protocol designed to restrict the bandwidth consumed by

control packets in ad hoc wireless networks. Also mention its advantages and

disadvantages.

7M

4.(a) Enumerate on the two types of multicast protocols for ad hoc wireless networks

Based on the type of operation.

7M

(b) Explain in detail Weight-Based multicast protocol 7M

5.(a) What are the major reasons behind throughput degradation faced by TCP when

used in ad hoc wireless networks?

7M

(b) Mention the targeted layer in the protocol stack for the following attacks

i) Jamming ii) Byzantine attack iii) Routing attacks

iv) Repudiation v) Wormhole attack vi) Impersonation

7M

6. Explain in detail the existing network layer solutions that support QOS

provisioning

14M

7.(a) Describe the data link layer solutions to calculate the optimum transmission range. 9M

(b) List and explain the factors on which the optimal value of the reception range

depends

5M

8.(a) Explain Romor routing algorithm. 5M

(b) Explain some simple multi-alteration techniques. 7M

(c) Why clustered architecture is especially useful for sensor networks. 2M

[M17 IT 1205]

12



SEMANTIC WEBSERVICES MODEL QUESTION PAPER



1. (a) What is Moore’s law and give the motivation for Semantic web? 7M

(b) Explain how logic for complex business calculations is currently carried out through

.NET and J2EE application servers.

7M

2.(a) Explain the difference between Higher order Logic (HOL) with first order logic 7M

(b) Explain in detail about(i) Software agents (ii) Ontology 7M

3.(a) Explain the following in detail?

i) Resource description frame work (RDF) and Resource description frame work

schema

ii) Ontology web language (OWL)

7M

(b) Discuss how the number of nodes on the Web creates computational complexity that

limits the ability to develop logic proof systems.

7M

4. Discuss the iterative approach for building Ontologies according to the process Of Noy

and Meguiness..

14M

5.(a) How the semantic web services are different from other web services? with an

example

7M

(b) List three potential applications that would benefit from the Semantic Web environment 7M

6.(a) Explain Semantic search Technologies? 7M

(b) Define web search agents and semantic methods. 7M

7.(a) Discuss the Limitations of current web 7M

(b) What are the emerges took place in social web 7M

8. Explain the procedure to build the semantic web applications with Social Network

feature.

14M

[M17 IT 1206]

13



PRINCIPLES OF PROGRAMMING LANGUAGES MODEL QUESTION PAPER



1. (a) Write BNF notation for if-else statements. 7M

(b) What is a dangling pointer? With Example. 7M

2.(a) What type inferencing is used in ML? 7M

(b) List different forms of prolog term. 7M

3.(a) List and explain different phases of compilation process. 7M

(b) Write notes on context free grammars. How to identify whether a grammar is

unambiguous?

7M

4.(a) Explain about static, fixed stack dynamic, fixed heap dynamic and dynamic arrays 7M

(b) List and explain design issues of pointers. 7M

5.(a) Discuss about scope and lifetime of a variable. What are the advantages of dynamic

scoping over static scoping?

7M

(b) Explain different types of parameter passing techniques. 7M

6.(a) Explain about different mechanisms to implement polymorphism in C++. 7M

(b) Explain how message passing helps in concurrency control? Explain with an

example.

7M

7.(a) Write a LISP function that computes nth Fibonacci number. 7M

(b) Explain in what ways ML is different from Scheme. 7M

8.(a) What are the applications of logic programming? Explain. 7M

(b) Discuss about goal statements in prolog. 7M

[M17 IT 1207]

14



INTERNET OF THINGS MODEL QUESTION PAPER



1. (a) Explain about WWW and Internet 7M

(b) Define IOT, Explain about Things / Objects in IOT with example 7M

2.(a) Explain about various protocols used in IOT 7M

(b) Explain identifier, enabling technologies of IOT 7M

3.(a) Define RFID, explain principles of RFID 7M

(b) Explain about components of RFID Systems and Issues 7M

4.(a) Explain the concepts and terminologies of RFID Applications 7M

(b) Explain about various ongoing research projects in IOT 7M

5.(a) Define WSN 7M

(b) Explain about various concepts involved in WSN 7M

6.(a) Explain history and Context of WSN 7M

(b) Explain about Secure Communication and standards in WSN 7M

7.(a) Define PLC and its existing standards and technologies 7M

(b) Design architecture for home network application 7M

8.(a) List various architectures of home network applications 7M

(b) Explain about Internet of things using PLC technology 7M

[M17 IT 1208]

15



MACHINE LEARNING MODEL QUESTION PAPER



1. (a) What are the different models of artificial neurons? Explain them in detail. 7M

(b) What is learning?. Write any four learning techniques and in circular each case give

the expression for weight- updating.

7M

2.(a) Describe the limitations of the perception model 7M

(b) Explain back propagation algorithm and derive expressions for weight update

relations.

7M

3.(a) Explain decision tree model 7M

(b) Explain Ranking and probability estimation trees 7M

4.(a) Explain heuristic learning algorithm for linear classifiers 7M

(b) Explain about Support Vector machine 7M

5.(a) Explain Nearest neighbors classification 7M

(b) Explain about Hierarchical Clustering 7M

6.(a) Write notes on The normal distribution and its geometric interpretations 7M

(b) Explain about Bagging and random forests 7M

7.(a) How to obtain probabilities from linear classifiers, explain in detail 7M

(b) Explain about Distance based Clustering 7M

8.(a) Explain about unsupervised and descriptive learning 7M

(b) Write short notes on Beyond conjunctive concepts 7M

[M17 IT 1209]

16



INFORMATION RETRIEVAL SYSTEM MODEL QUESTION PAPER



1. (a) Describe the functional overview of information retrieval system 7M

(b) Write the similarities between information retrieval systems and data warehouses 7M

2.(a) Explain the miscellaneous capabilities of information retrieval systems 7M

(b) Discuss the process of information extraction 7M

3.(a) Explain the techniques for creation of index when the terms of original item are

used as basis of index process .

7M

(b) Explain the role of automatic indexing in Natural languages 7M

4.(a) Explain about statistical thesauri and theoretically thesauri 7M

(b) How the similarity measures are applied to statistical systems? Explain 7M

5.(a) Explain one algorithm for PAT Tree 7M

(b) How PAT are Represented in Arrays 7M

6.(a) What is the purpose of Thesaurus? Explain what it contains. 7M

(b) How to define the measures with the search process? 7M

7.(a) How finite state Automata is used for hardware and software searchers? 7M

(b) Explain Knuth – Pratt – Morris algorithm 7M

8.(a) Explain Boyer-Moore Algorithm 7M

(b) Explain The Naive Algorithm 7M

[M17 IT 1210]

17



IMAGE PROCESSING AND PATTERN RECOGNITION MODEL QUESTION PAPER



1. (a) Explain about pattern recognition system with examples 7M

(b) Explain Minimum Error rate classification 7M

2.(a) What are the various techniques of contrast stretching? 7M

(b) What is Median Filtering? 7M

3.(a) What is the difference between false and pseudo coloring? 7M

(b) What is the role of array processor for image processing? 7M

4.(a) What are the different feature extraction techniques? Explain with example. 7M

(b) Explain levels of image data representation 7M

5.(a) Explain Pixel brightness 7M

(b) Adaptive neighborhood preprocessing 7M

6.(a) write short notes on parametric edge models 7M

(b) Explain sampling and Quantization of image Digitization 7M

7.(a) Explain principal component analysis 7M

(b) Explain low dimensional representations 7M

8.(a) Discuss the features, designing concept, advantages and applications

of pattern recognition system

7M

(b) Explain with examples the syntactic pattern description and recognition. 7M

[M17 IT 1211]

18



SOFTWARE TESTING METHODOLOGIES MODEL QUESTION PAPER



1. (a) Is prevented bug better than a detected and corrected bug? Justify. What is the

purpose of Testing?

7M

(b) Explain Model for Testing 7M

2.(a) State and explain various path selection rules? 7M

(b) Distinguish Control Flow and Transaction flow 7M

3.(a) What is meant by domain testing? Discuss about Nice and Ugly domains.? 7M

(b) Write a short note on Domain Dimensionality 7M

4.(a) What are decision tables? Do you think decision tables as a basis for test case

design justify?

7M

(b) Explain Regular Expressions & Flow Anomaly Detection. 7M

5.(a) Explain about good state and bad state graphs. 7M

(b) Write in detail about Equivalent States. 7M

6.(a) Discuss node reduction algorithm. 7M

(b) How can a node reduction optimization be done 7M

7.(a) Write a partition algorithm 7M

(b) Write about loops in matrix representation 7M

8.(a) Apply Reduction procedure algorithm to the following graph

7M

(b) How can we determine paths in domains in Logic based testing?. 7M

[M17 IT 1212]

1

[M17 CAD 1101] I/II MTECH I SEMESTER REGULAR EXAMINATIONS

CAD/CAM DEPARTMENT OF MECHANICAL ENGINEERING

INDUSTRIAL ROBOTICS MODEL QUESTION PAPER



1. a) How do you specify a robot? Is robotics automation? Discuss the different

classification systems of robots.

7 M

b) Define the terms „Robot‟ and „Robotics‟. Discuss the role of robots in

engineering.

7 M

2. a) What are the different actuators used in the robots? Describe them briefly. 7 M

b) Discuss the different feedback components used in robots. 7 M

3. Explain briefly the two stage control of manipulator using interpolation of end

effectors position method.

14 M

4. a) Explain the working of magnet grippers used for robots. 7 M

b) Discuss the applications and working principle of the following sensors. i)

Range sensors ii) Acoustic sensors iii) Tactile sensors.

7 M

5. a) Explain the following for smoothing of image: i) Neighbourhood averaging

ii) Image averaging method

7 M

b) Discuss the current applications of machine vision system. 7 M

6. a) Discuss the textural robot language structure with the help of block diagram. 7 M

b) Discuss the relative merits and demerits of different textual robot languages. 7 M

7. What are the various robot cell layouts? Describe any two with the help of neat

sketches.

14 M

8. What are the various fields in which the robots used? Discuss them in detail. 14 M

[M17CAD 1101]

2



COMPUTER AIDED MANUFACTURING MODEL QUESTION PAPER



1. a) With the help of a neat sketch explain the flow of manufacturing information

in the State– of- the- art CAD/CAM/CNC Chain.

8 M

b) What are the advantages of CAM? 6 M

2. a) Briefly explain any 3 types of geometry commands used in APT. 7 M

b) Write the APT program for the geometry shown in Figure 1 below.

Fig. 1

7 M

3. a) Discuss about preset and Qualified Tooling systems used in CNC machines.

Also describe about Automatic Pallet Changer (APC).

7 M

b) Explain with the help of neat sketches the working of Automatic Tool

Changer (ATC).

7 M

4. a) Describe Adaptive Control with Optimization for a milling machine with a

neat sketch.

7 M

b) Compare CNC with DNC and mention the advantages and disadvantages of

DNC.

7 M

5 a) What is a process plan? And what are the various steps in developing a

process plan?

7 M

b) What are different approaches to CAPP? Describe briefly. 7 M

6. a) What is PLC? Draw the basic structure of PLC and discuss the various

hardware components of PLC.

7 M

3

b) Discuss the advantages of microcontrollers over microprocessors. 7 M

7. a) With the aid of a neat diagram, explain the structure of a post processor in a

NC System.

7 M

b) Explain about DAPP-based-Post processor. 7 M

8. a) How do you Classify Inspection methods? Explain the principle of operation

of Non Contact type Optical Inspection methods.

7 M

b) With help of a neat sketch explain the functioning of a CMM. Also mention

the advantages and limitations of it.

7 M

[M17CAD1102]

4



SPECIAL MANUFACTURING PROCESSES MODEL QUESTION PAPER



1. a) Define a Coating and explain about electro forming on the components? 7 M

b) What is the purpose of ion implantation? Explain it with neat sketch? 7 M

2. Explain the working principle and the effect of process variables on MRR in

the capabilities of WEDM with a neat sketch?

14 M

3. Explain in detailed the ECM process with a neat sketch and write the

advantages and limitations of it?

14 M

4. a) Name the different methods of processing of ceramics and explain in brief

any one method?

7 M

b) Briefly explain the applications of ceramics? 7 M

5. a) Explain the process of manufacture of fiber reinforced composites? 7 M

b) What are the characteristics and applications of the metal matrix

composites?

7 M

6. a) Explain the steps involved in selective laser sintering? What are its

advantages and disadvantages over Steriolithiography?

7 M

b) Expand the role of fusion deposition modeling in rapid prototyping? 7 M

7. a) What is lithography? Explain X-ray lithography with neat diagram? 7 M

b) Discuss the various bonding and packaging techniques applied to MEMS

industries?

7 M

8. Write a brief note on :

a) Thermal Spraying; b) MMC, CMC and polymer matrix composites

14 M

[M17CAD 1103]

5



GEOMETRIC MODELING MODEL QUESTION PAPER



1. a) What do you understand by Implicit and Explicit equations? Explain. 7 M

b) Distinguish between parametric and non-parametric equations. Explain why

nonparametric equations are not suitable for CAD.

7 M

2. a) What are the characteristics of cubic spline? 7 M

b) What do you mean by blending function? Explain how these are evaluated? 7 M

3. a) What is the need of curve manipulation? Explain various curve manipulation

techniques.

7 M

b) What are the characteristics of the B-Spline curve? 7 M

4. a) A Cubic Bezier curve is defined by the control points as P0 (1,1), P1(2,4),

P2(4,3), P3(5,1).Find the equation of curve and its mid point.

7 M

b) Write short notes on the following terms Sweep Surfaces and ruled surfaces. 7 M

5. a) What conditions are required to convert a B-Spline surface to a Bezier Surface? 7 M

b) What are the closed and open splines? Explain 7 M

6. Derive the parametric form of following

a) Bezier surface

b) B-Spline surface

c) Coon‟s surface

14 M

7. a) Explain the solid modeling concepts of wire frames and Boundary representation

methods. Discuss the advantages of each method.

7 M

b) How can you create a solid fillet using unbounded half spaces? 7 M

8. a) How solids are represented in geometric form. Explain with an example. 7 M

b) What are the properties of tricubic solid? 7 M

[M17CAD 1104]

6

[M17CAD 1105] I/II MTECH I SEMESTER REGULAR EXAMINATIONS

CAD/CAM DEPARTMENT OF MECHANICAL ENGINEERING COMPUTATIONAL METHODS IN ENGINEERING



1. Solve using gauss – Jordan elimination

x – y +2z = -8

x + y + z = -2

2x-2y+3z = -20

14 M

2. Fit a curve of the form y = axb for the following data:

x 1 2 3 4 5

Y 0.5 2 4.5 8 12.5

14 M

3. Using Shooting method, solve the BVP y” + y + x = 0, 0<x<1, y(0)= 0 and y(1) =

e-1.

14 M

4. Solve the heat conduction equation, uxx – ut = 0, subject to boundary conditions

u(0,t) = u(1,t) = 0 and u(x,0) = x – x2. Take h = 0.25 and k = 0.025.

14 M

5. Explain FFT by taking a suitable example. 14 M

6. Solve 4uxx = utt u(0,t) = 0 y(4,t) = 0

ut(x,0) = 0 and u(x,0) = x(4-x).

14 M

7. Solve the Poisson equation A2 = -15(x

2 + y

2 + 15) subject to the condition u = 0 at

x= 0 and x = 3 u = 3 u = 0 at y = 0 and u = 1 at y = 3 for o<x<3 . Find the solution

taking h = 1 with a square.

14 M

8. Solve uxx + uyy = 0, 0≤x, y≤1, with u(0,y) = 10 = u(1,y) and u(x,0) = 20 = u(x,1).

Take h = 0.25 and apply Liebmann method to 3 decimal accuracy.

14 M

[M17CAD 1105]

7



THEORY OF ELASTICITY AND PLASTICITY MODEL QUESTION PAPER



1. (a) The displacement filed in a body is specified as u = x3+3y

2, v = 3y

2+4x, w =

0. Determine the stress and strain component at a point whose coordinates are

(2,3) take E = 2×105, Poisson‟s ratio = 0.3.

7 M

(b) Is the following state of stress a possible one? σx = σy = ky2/x

2, τxy = ay/x

2

assume k is a constant and zero body forces.

7 M

2. (a) Resolve the given state of stress into spherical and deviator state of stress

determine the normal and shearing stresses on a octahedral plane. σx = σy = σz

=2; τxy = τyz = τzx = 1.

7 M

(b) Determine the strain components from the displacement field specified as u

= 5+x2+y

2+x

4+y

4; v = 6+3x

2+3y

2+x

4+y

4; w=10+4xy(x

2+y

2+2).

7 M

3. (a) Explain hooks law giving strains as a function of stress and also stresses in

terms of strain in a plane stress case.

7 M

(b) Show that the change in volume of a strained cube of unit length given by

Δe=εx+ εy+ εz.

7 M

4. (a) Obtain the compatibility expression for 2 dimensional problems in polar

coordinates..

7 M

(b) Determine the normal stress, circumferential stress and shear stress of the

stress function Ø = A log r +Br2logr+Cr

2+D

7 M

5. (a) Explain St.Venants principle and its importance? 7 M

(b) Investigate what problem is solved by stress function Ø = [-Fx2/d3](3d-2y)

applied to a region in y = 0; y=d; x=0 on the x positive; „d‟ is the depth of thin

rectangular strip of unit thickness, F is the force. Compare this solution with

the one obtained from elementary strength of materials.

7 M

6. (a) Explain plane stress and plane strain state of stress. 7 M

(b) A thick cylinder is subjected to internal and external pressures define

equations for radial and circumferential stresses at the boundaries.

7 M

7. (a) Derive an expression for the stress components in a solid bar of elliptical

cross section subjected to twisting moment?

7 M

(b) A hollow thin walled bras tube has a equilateral triangular section the mean

length of the side of the triangle is 125 mm and thickness of the wall is 3 mm

8

the tube is subjected to a twisting moment of 2 ×104N-mm. Find the maximum

shearing stress and the angle of twist per unit length.

8. (a) Discuss the yield criteria and the flow rules for perfectly plastic and strain

hardening materials.

7 M

(b) A bolt of 25 mm diameter is subjected to an axial force of 50 kN.

Determine the maximum shear force the bolt can sustain according to various

theories of failure. Assume the yield stress of 300MPa and factor of safety = 2.

7 M

[M17CAD 1106]

9



NANO TECHNOLOGY MODEL QUESTION PAPER



1. (a) Explain what you mean by nanoelectro-mechanical systems. 7 M

(b) Discuss nanoscale elements in conventional technologies. 7 M

2. (a) What are challenges being faced by Nanotechnology? Explain. 7 M

(b) Discuss the enhancement of mechanical properties with decreasing size. 7 M

3. Explain briefly the following: (a) Ion implantation and (b) Electron beam

lithography.

14 M

4. (a) Discuss the top down and bottom up nanofabrication methods with their

merits and demerits.

7 M

(b) Write a short note on sol-gel method and Explain its principle. 7 M

5. (a) What is the basic principle in Scanning Electron Microscope? How is it

different from optical microscopy? Explain..

7 M

(b) Discuss ultra-sensitive imaging for nanoparticles. 7 M

6. (a) Explain the optical and electronic properties of metal nanoparticles. 7 M

(b) Describe the synthesis of semiconductor nanoparticles. 7 M

7. (a) How can Carbon Nanotubes enable brighter TV screens? Explain. 7 M

(b) Explain the Electronic and Vibrational properties of carbon Nanotubes. 7 M

8. Discuss the applications of Nanowire transistors and sensors.

14 M

[M17CAD 1107]

10



DESIGN FOR MANUFACTURING AND ASSEMBLY MODEL QUESTION PAPER



1. (a) What is DFMA? How the development of DFMA is been progressed? 7 M

(b) Differentiate between DFA, DFM and DFMA. 7 M

2. (a) Explain the effect of part symmetry on handling time. 7 M

(b) Explain the effect of part thickness and weight on handling time. 7 M

3. (a) Briefly discuss the product design considerations in machining with neat

sketches.

7 M

(b) Discuss the applications of design for machining rules. 7 M

4. (a) List out and explain the effect of casting discontinuities on the properties of

a casted product.

7 M

(b) Briefly explain the design guidelines for extruded sections with neat

sketches.

7 M

5. (a) Discuss the general design recommendations for forging operation. 7 M

(b) Explain the effect of thermal stress in weld joints. 7 M

6. (a) Discuss the importance of pre and post treatment of welds. 7 M

(b) Sketch and explain how to choose parting line in forging design. 7 M

7. (a) Briefly explain the factors that effect drawability. 7 M

(b) Explain component design for blanking operation. 7 M

8. Write a brief note on the following:

a) Multi station assembly system

b) Automated assembly system

14 M

[M17CAD 1108]

11



MECHATRONICS MODEL QUESTION PAPER



1. Mechatronics is the “Synergetic integration of MECHANICAL Engineering

with Electronics and intelligent control algorithms in the design and

manufacture of product processes”, justify the statement.

14 M

2. (a) What are the various Filters that you come across in Signal conditioning?

Explain.

7 M

(b) Explain in detail the Inverting and Non-Inverting type amplifiers. 7 M

3. (a) Explain the working of an Electro-hydraulic actuating system with a neat

sketch.

7 M

(b) Briefly explain the working of Timing belts and linear bearings. 7 M

4. (a) How do you classify Control systems? Explain with block diagrams. 7 M

(b) With the help of a neat sketch explain the working of an Automatic

Washing Machine.

7 M

5. (a) Explain the principle of operation of a permanent magnet D.C. Motor, also

differentiate between brushless and brushed Motors.

7 M

(b) How do you specify Stepper Motor? Explain the control of Stepper motors. 7 M

6. (a) Differentiate between Microprocessor and Microcontroller. 7 M

(b) What is PLC? Briefly explain the use of timers and counters in PLCs with

suitable examples.

7 M

7. (a) What you mean by ADC? Explain the working of Flash ADC with neat

sketch.

7 M

(b) Explain the working of R-2R Ladder DAC. 7 M

8. Write Brief note on:

a) Optical Encoders.

b) Data acquisition in Mechatronic systems

14 M

[M17CAD 1109]

12



COMPUTER AIDED PROCESS PLANNING MODEL QUESTION PAPER



1. (a) Compare Automated process planning system with conventional process

planning.

7 M

(b) Explain any one method of feature recognition approaches in CAPP with

example.

7 M

2. (a) Discuss about the knowledge based production planning system. 7 M

(b) Explain the information flow in retrieval – type CAPP system. 7 M

3. (a) Define cutting speed, feed and depth of cut in machining. 7 M

(b) Describe the effect of various machining parameters on surface quality. 7 M

4. Explain tolerance analysis and tolerance synthesis in machining parts design

with neat sketch.

14 M

5. Determine the optimal index positions for executing fixed sequence in NC tool

path generation.

14 M

6. What do you understand by machinability database system? Explain the

different parameters required for machinability database system.

14 M

7. (a) Discuss the process of manual process planning taking a suitable example. 7 M

(b) Briefly discuss about interference engine. 7 M

8. Write short notes on following:

a) Design tolerances

b) Manufacturing tolerances

c) MIPLAN system

14 M

[M17CAD 1110]

13

[M17CAD 1201] I/II MTECH II SEMESTER REGULAR EXAMINATIONS


MODELING AND SIMULATION OF MANUFACTURING SYSTEMS MODEL QUESTION PAPER



1. (a) Define model. Classify and explain them. 7 M

(b) Explain point estimation and interval estimation. 7 M

2. (a) State and explain the various techniques for increasing the model

credibility.

7 M

(b) Obtain statistical procedures for developing credible model. 7 M

3. (a) Explain the inverse transform method to generate random variates from a

given distribution.

7 M

(b) Derive a formula by which to generate Weibull distributed random variates

with mean μ and shape factor α.

7 M

4. (a) Explain the different techniques of simulation output analysis. 7 M

(b) With illustrative example describe the output analysis for steady state

simulations.

7 M

5. Explain about a M/MI1 queues with infinite and finite capacities. 14 M

6. (a) Describe about types l & 2 errors. 7 M

(b) Explain the following terms: (i) Verification and (ii) Validation 7 M

7. (a) Compare simulation packages with programming languages. 7 M

(b) What is output analysis? State its purpose. 7 M


a) New boy paper problem

b) Welch algorithm

c) Strong law of large numbers

14 M

[M17CAD 1201]

14

[M17CAD 1202] I/II MTECH II SEMESTER REGULAR EXAMINATIONS


OPTIMIZATION & RELIABILITY MODEL QUESTION PAPER



1. (a) Minimize 3x12+4x22+5x32 such that x1+x2+x3 = 10 using Lagrange

multiplier method.

14 M

2. (a) What is the reason for possible divergence of Newton‟s method? 7 M

(b) What are the types of classical optimization techniques? 7 M

3. How do you perform (a). Crossover and (b) Mutation in GA? Explain with

examples.

14 M

4. Write the typical optimization model for a machining problem. Discuss the

objective functions and the constraints involved.

14 M

5. (a) Explain Pareto‟s analysis. 7 M

(b) What is Non-dominated sorted GA? Explain. 7 M

6. Explain the optimization model of a weight of a cantilever beam. 14 M

7. (a) Write the differences between GA and GP. 7 M

(b) Explain Nelder Mead‟s Simplex method. 7 M

8. (a) Discuss the procedural steps involved in Non-dominated sorted GA. 7 M

(b) What are the objectives of GA. 7 M

[M17CAD 1202]

15

[M17 CAD 1203] I/II MTECH II SEMESTER REGULAR EXAMINATIONS


COMPUTER GRAPHICS MODEL QUESTION PAPER



1. (a) Explain how rasterization accuracy is preserved despite using integer

arithmetic in Bressenham line drawing algorithm.

7 M

(b) Explain the basic structure of a twisted pneumatic liquid crystal display with

a neat sketch

7 M

2. (a) Distinguish between seed filling and scanline filling algorithm. Apply any of

these algorithms to fill the polygon defined by (1, 1), 1, 5), (5, 2).

7 M

(b) Discuss displaying of lines, polygons and characters. 7 M

3. Explain midpoint subdivision algorithm with an example showing the stack

position at all stages.

14 M

4. (a) Determine the form of the transformation matrix for a reflection about an

arbitrary line with equation y = m + b.

7 M

(b) Derive the concatenated transformation matrix for rotation about an

arbitrary point in 2 dimensions.

7 M

5. (a) Prove that a triangle P Q R with P( 8, 2),Q(10, 4), R(8,6) after reflection

about x axis and then about y= -x will be the same as rotation about origin by an

angle 2700.

7 M

(b) Reflect the diamond shaped polygon whose vertices are A(-1,0), B(0,-2),

C(1,0), D(0, 2) about the line y=2

7 M

6. (a) Discuss Z-buffer algorithm with an example. What are the merits and

limitations of this algorithm?

7 M

(b) Discuss painters algorithm with an example. 7 M

7. (a) Explain Gourand shading algorithm with an example. 7 M

(b) Find the matrix for mirror reflection with respect to the plane passing

through the origin and having a normal vector whose direction is N = I + J + K

7 M

8. Write a short note on the following

a) Describe inside outside tests

b) Explain pattern filling

c) Differentiate between boundary fill and flood fill algorithms

14 M

[M17CAD 1203]

16



FINITE ELEMENT METHODS MODEL QUESTION PAPER



1. (a) Differentiate between plane stress and plane strain problems. 6 M

(b) Derive the stress and strain relations for a 3D system. 8 M

2. (a) Discuss in detail about the general procedure of FEM formulation with an

example.

5 M

(b) Derive the elemental stiffness matrix for one dimensional quadratic

element.

9 M

3. (a) Differentiate between Bar and Truss elements in FEM formulation. 5 M

(b) For the two-bar truss shown in Fig. 1, determine the displacements of node

1 and the stress in element 1-3.

Fig. 1

9 M

4. A beam of 10 m length is fixed at one end and supported by a roller at the other

end has a 20 KN concentrated load applied at the centre of the span. Calculate

the deflection under the load and construct the shear force and bending moment

diagrams for the beam. Assume E = 20 × 105 N/mm

2 and I = 2500 cm

4.

14 M

5. Derive the shape functions for the following higher order elements (i) Nine

Nodded Quadrilateral Element (ii) Eight Nodded Quadrilateral Element (iii)

Six Nodded Triangular Element

14 M

6. For the triangular plate shown in Fig. 2, determine the deflection at the point of

load application and also stress induced in the plate using a one element model

by considering it as plane stress problem.

14 M

17

Fig. 2

7. A composite wall consists of three materials shown in Fig. 3. The outer

temperature is 200C. Convection heat transfer takes place on the inner surface

of the wall with h = 20 W/m2 0C and Tα = 1000

0C. Determine the temperature

in the wall. Assume k1 = 20 W/m 0C, k2 = 30 W/m

0C and k3 = 40 W/m

0C.

Fig. 3

14 M

8. Determine the natural frequencies and mode shapes for the stepped bar shown

in Fig. 4. Take E = 70 GPa and specific weight 2700 kg/m3.

Fig. 4

14 M

[M17CAD 1204]

18


CAD/CAM DEPARTMENT OF MECHANICAL ENGINEERING QUALITY ENGINEERING IN MANUFACTURING



1. (a) Explain Taguchi loss function with derivative for the model “Nominal the

best”.

7 M

(b) Explain how one attribute of the loss functions helps to determine the

factory tolerances.

7 M

2. (a) Distinguish between system design, parameter design and tolerance design. 7 M

(b) How the tolerance design is made for L-type characteristic systems? 7 M

3. A company wishes to test 4 different types of tires, A, B, C, D. The lifetimes of

the tires, as determined from their treads, are given (in thousands of miles ) in

table below, where each type has been tried on 6 similar automobiles assigned

at random to tires. Test at the 0.05 level whether there is a difference in tires.

I II III IV V VI

A 33 38 36 40 31 35

B 32 40 42 38 30 34

C 31 37 35 33 34 30

D 29 34 32 30 33 31

14 M

4. Explain the process of DOE indicating the steps involved in the planning

phase, conducting phase and analysis phase.

14 M

5. Briefly explain six sigma philosophy and benefits of its use in small

organizations.

14 M

6. (a) Determine the S/N ratio for a process that has a temperature average of 21 0C and a sample standard deviation of 2

0C for four observations. Use nominal

the better equation.

7 M

(b) Explain their role in reducing the effects of noise factors during product and

process design stages.

7 M

7. (a) How ANOVA is used for four level factors and multiple level factors? 7 M

(b) Explain with an example the importance of Orthogonal Array in design of

experiments.

7 M

19


(a) Six sigma system

(b) Larger the better

(c) ANOVA

14 M

[M17CAD 1205]

20



MECHANICAL VIBRATIONS MODEL QUESTION PAPER



1. (a) Determine the differential equation of a spring mass system (shown in the

figure below) and its natural frequency by using (i). D‟ Alembert‟s principle

and (ii). Rayleigh‟s method.

7 M

(b) Explain the classifications of vibration with examples 7 M

2. Find the natural frequency and mode shapes of the system if m= 2 kg, K= 400

N/m, for the figure given below.

14 M

3. Determine the Eigen values and test their orthogonality property for the given

diagram.

14 M

4. a) Find the natural frequency of transverse vibrations for the system shown

below by Rayleigh Method.

7 M

b) Explain with neat sketch of working of Vibrometer. 7 M

5. Explain the procedure adopted for Rayleigh method to determine the natural

frequency of multi-degree of freedom system with an suitable example.

14 M

21

6. Prove that the critical speed of whirling speed for a rotating shaft is same as the

frequency of natural transverse vibration.

14 M

7. (a) A mass of 50 kg suspended from spring produces a static deflection of

0.017m and when in motion, it experience a viscous damping force with a

value of 250 N at a velocity of 0.3m/s. calculate the periodic time of damped

vibration if the mass is then subjected to periodic disturbing force having a

maximum value of 200N and making 2 Cps. Find the amplitude of the ultimate

force.

7 M

(b) Explain the transmissibility and transmitted force for a spring mass damper

system.

7 M

8. Write short on any three of the following:

a) Damping ratio

b) Undamped system (no damped)

c) Under damped

d) Critical damped

e) Logarithmic decrement.

14 M

[M17CAD 1206]

22



CONCURRENT ENGINEERING MODEL QUESTION PAPER



1. (a) Discuss the importance of various principles of concurrent engineering. 7 M

(b) Explain about various elements of concurrent engineering in detail. 7 M

2. Discuss in detail the modern methodologies and tools which are used in

managing concurrent engineering.

14 M

3. (a) Explain briefly the principles of material handling 7 M

(b) Explain with an example how can we do assembly sequencing with

toleranced parts.

7 M

4. (a) Explain importance of group technology in system feasibility analysis. 7 M

(b) Discuss about assembly resource alternatives. 7 M

5. Explain about roller and skate wheel conveyors and also belt conveyors

which are used in material transport systems.

14 M

6. Explain about various issues in assembly workstation design. 14 M

7. (a) What are the objectives of modern fabrication system design? 7 M

(b) Explain about human resource considerations in design of automated

fabrication systems.

7 M


(a) Load stabilizing system

(b) Fixed & variable path conveying

(c) Part feeding alternatives

(d) Automobile air conditioning module

4 M

3 M

3 M

4 M

[M17CAD1207]

23



MECHANICS & MANUFACTURING METHODS OF COMPOSITES MODEL QUESTION PAPER



1. (a) What are the types of composites and classification of composites? 7 M

(b) Distinguish between natural and man-made composites. 7 M

2. (a) Explain about the failure of composites. 7 M

(b) Give the characterization of composite properties. 7 M

3. (a) Explain about autoclave and tape production. 7 M

(b) Hookes law for different types of materials. 7 M

4. (a) What are the micro mechanical predictions of elastic constants? 7 M

(b) What is the relationship between engineering constants and reduced

stiffness?

7 M

5. (a) Discuss about first-ply failure and free edge-effects? 7 M

(b) Make a critical assessment of various lamina failure theories. 7 M

6. (a) What are the important strength criteria that are commonly used to evaluate

failure of an orthotropic lamina?

7 M

(b) Determine the deflection equation for a square symmetric laminated plate

subjected to a transverse load q=q0 x1/a when the edges at x1 = 0, a are simply

supported and those at x2 = 0, b are clamped.

7 M

7. Explain and derive the equations for orthotropic plate with symmetric cross-ply

lamination and angle-ply?

14 M

8. Explain the following terms:

(a)Thermosetts

(b)Polymer composites

(c)Filament winding

(d) Pultrusion

14 M

[M17CAD 1208]

24



MATERIALS TECHNOLOGY MODEL QUESTION PAPER



1. (a) Define work hardening. Explain about the Grain boundary strengthening. 7 M

(b) Explain the deformation of non-crystalline material. 7 M

2. (a) Explain the Griffith‟s criterion used for smaller cracks. What is Griffith‟s

crack length? Explain.

7 M

(b) What is the difference between Precipitation Hardening and Dispersion

Hardening? By giving a suitable example elucidate the mechanisms for

precipitation strengthening. Enumerate in detail the underlying deformation

mechanisms for underaged, peak aged and overaged conditions of the alloy

system

7 M

3. (a) What is DBTT? Explain its significance. 7 M

(b) Explain why brittle fracture is more prevalent at low temperature. 7 M

4. (a) What is the effect of stress concentration on fatigue? Explain. 7 M

(b) What is Paris law? Explain the crack initiation and propagation mechanism. 7 M

5. Write short notes on the following: a) Size effect on fatigue and b) Surface

effects on fatigue.

14 M

6. (a) What is the criterion for selecting the materials based on service

requirements, cost and motivation?

7 M

(b) What are metallic foams? Explain their important characteristics and

applications.

7 M

7. (a) Write down the compositions and applications of HSLA and TRIP steels. 7 M

(b) What are structural ceramics? Discuss about the processing of structural

ceramics.

7 M

8. (a) Discuss about polymeric materials and their molecular structures. 7 M

(b) Write down the properties, processing techniques of WC and SiC materials.

Give their applications.

7 M

[M17CAD 1209]

25



INTELLIGENT MANUFACTURING SYSTEMS MODEL QUESTION PAPER



1. (a) What are the various components of CIM & mention its advantages &

limitations?

7 M

(b) Describe the importance of CAD, CAPP & CAM and their effects on

quality and quantity of production.

7 M

2. (a) What is the need of manufacturing automation protocol and technical office

protocol in implementing the networks.

7 M

(b) Differentiate between conventional and intelligent manufacturing systems. 7 M

3. (a) What are the advantages of knowledge based systems and mention its

applications in CIM?

7 M

(b) What are the various knowledge acquisition systems are used in practice

and mention its draw backs?

7 M

4. (a) How the artificial neural networks are used in the automated

manufacturing?

7 M

(b) What are the various methods of CAPP and explain the retrieval type

computer aided process planning systems?

7 M

5. (a) Differentiate between retrieval type and generative type computer aided

process planning systems and mention their advantages.

7 M

(b) Describe the knowledge based system an equipment selection (KBSEB)

and mention the structure and problem solving.

7 M

6. (a) How the features of the component be recognized and sequence of

operations for process planning be done?

7 M

(b) What is the importance of group technology and mention the algorithms for

cluster analysis method.

7 M

7. (a) Differentiate between cluster identification method and knowledge based

group technology.

7 M

(b) Describe the structure of knowledge base system for group technology. 7 M


(a) Computer aided quality control.

(b) System architecture & data flow.

(c) Artificial intelligence in CIM.

14 M

[M17CAD 1210]

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