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Code No: C4CE26 05

IV B.Tech(CCC) Regular Examinations, December 2008CAD

(Civil Engineering)

Time: 3 hours Max Marks:100Answer any FIVE Questions

All Questions carry equal marks

1. (a) Explain the application of CAD in Civil Engineering.

(b) What is a typical configuration for graphic design workstation? [10+10]

2. (a) Describe the different input/output devices used in CAD.

(b) List out the different software packages available for CAD applications in CivilEngineering. [10+10]

3. Analyze the following truss using stiffness matrix method. As shown in figure 1.[20]

Figure 1:

4. (a) Explain finite difference method.

(b) Write finite difference equations for plate bending equations. [10+10]

5. Obtain finite difference solution for a standard problem of beams on elastic foun-dations. [20]

6. (a) What are the different transformations in graphics?

(b) Explain wireframe Vs Solid modeling. [10+10]

7. (a) Write a flow chart for a typical linear programming problem.

(b) Explain the design variables, constraints and simplex method of solving alinear programming problem. [10+10]

8. Write short notes on:

(a) Duality in linear programming

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Code No: C4CE26 05

(b) Decomposition principle

(c) Sensitivity analysis

(d) Transportation problem. [20]

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Code No: C4CE26JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

B.Tech (CCC) IV Year Examinations February-2011

CAD

(Civil Engineering)

Time: 3 Hours Max.Marks:100

Answer Any Five Questions

All Questions Carry Equal Marks

- - -

1. Explain various fundamental reasons for implementing a Computer Aided Design

System in Civil Engineering. [20]

2. Explain with suitable illustrations the typical configuration of hardwarecomponents in Computer Aided Design System. [20]

3. A line is defined by its end points A (0, 0) and B (3, 4) in a two dimensionalgraphics system. Express the line in matrix notation and perform the following

transformations with A as the reference point. [20]

a) Scale the line by a factor 3.0.b) Scale the original line by a factor 4.0 in x direction and 3.0 in the y

direction.

c) Translate the original line by 3.0 units in the x direction and 3.0 units inthe y direction.

4. Using the displacement method, analyse the continuous beam given in Fig.1.

Assume EI is constant through out the beam. [20]

5. Using the stiffness method (displacement method) of analysis obtain the moments

at the ends of members for the portal frame given in Fig. 2. Assume EI is constant

through out the frame. [20]

100 kN 60 kN

4m 4m 4m 4m

A B C Fig.1

20 kN/m

6m

3m

Fig. 2A

B

D

C

NR

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6. A simply supported beam of length L = 4m and constant EI supports aconcentrated load P = 50 kN at the centre of the beam. Using the Finite Difference

Technique, calculate the maximum moment and deflections in the beam as shown

in Fig.3. [20]

7. Solve the following linear programming using dual Simplex Method. [20]Maximize, Z = 2x1 + 4x2

Subject to 2x1 + x2 4

x1 + 2x2 3

2x1 + 2x2 12

x1 and x2 0

8. Find the initial basic solution of the following transportation problem shown inTable. 1, by using Vogels Approximation Method (VAM). [20]

*****

Requirement

10 30 50 10

70 30 40 60

40 8 70 20

W1 W2 W3 W4

F1

F2

F3

Factory

Warehouses

5 8 7 14

Capacity

7

9

18

34Table. 1

P = 50 kN

4m

A B Fig.3

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Code.No: C4CE26JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

B.Tech (CCC) IV Year Examinations January 2010

CAD

(CIVIL ENGINEERING)

Time : 3 Hours Max. Marks :100Answer Any Five Questions

All Questions Carry Equal Marks

- - -

1. (a) List and explain various benefits of CAD.(b) Explain any four input devices. [20]

2. (a)Differentiate two dimensional transformation and three dimensional transformation.(b)Contrast wire frame and solid modeling. [20]

3. (a) Establish strain-displacement relations for plane stress and plane strain problems.(b) Explain Galerkin approach. [20]

4. The structure shown in the figure is subjected to increase in temperature to 800C.Determine displacements, stresses and support reactions. Given: P1=60KN, P2=75KN,

A1=2400mm2,A2=1200mm

2, A3=600mm

2, E1=83GPa, E2=70GPa E3=200GPa,

1=18.9 x 10-6/

0C, 2=23 x 10

-6/

0C,3=11.7 x 10

-6/

0C. [20]

5. (a) Write down various advantages and disadvantages of graphical method for solvingLPP

(b) A firm manufactures 3 products A, B and C. The profits are Rs.3, Rs.2 and Rs.4

respectively. The firm has 2 machines and below is the required processing time in

minutes for each machine on each product. Machine G and H have 200 and 2500

machine minutes respectively. The firm must manufacture 100 As, 200Bs and 50Cs,

but no more than 150As. Set up Linear programming problem to maximize the profit.Do not solve it. [20]

Product A Product B Product C

Machine A 6 4 5

Machine B 4 2 4

6. (a) Explain the concept of duality. Discuss relationship between primal and its dual.(b)Find the dual of the following primal problem

Min Z = 2X2+5X3, subject to

X1+X22,

2X1+X2+6X36,

X1-X2+3X3=4, and X1, X2, X3 0 [20]

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7. Write algorithm, flowchart and C program for the calculation of deflection from a givensimply supported beam. [20]

8. Write a C program for calculation of average rainfall using Thiessen polygon method.[20]

******

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Code. No: C4CE26JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

B.Tech (CCC) IV Year Supplementary Examinations July/August - 2010

CAD

(Civil Engineering)

Time: 3 Hours Max.Marks:100

Answer Any Five Questions

All Questions Carry Equal Marks

- - -

1. a) Explain different types of plotters and input devices.

b) Explain the features of CAD and AutoCAD application.

c) Explain the different steps involved in graphic design. [20]

2. a) Explain two dimensional and three dimensional transformation

b) What are the steps involved in database structure and explain them. [10+10]

3. a) Obtain the global stiffness formulation of a plane frame member.

b) What is meant by coordinate transformation, explain with examples? [10+10]

4. a) Explain the assumption involved in beam on elastic formulation and boundary

conditions.

b) Explain finite difference formulation on beams and plates [10+10]

5. a) Explain simplex method in linear programming

b) Explain pivotal reduction and simplex algorithm. [10+10]

6. a) Explain the application of decomposition principal with examples.

b) Explain the port optimality analysis for transportation problems. [10+10]

7. a) Write algorithm for analysis of a continuous beam using displacement method

b) Write a program to design rectangular beam for a suitable loading condition

(assume). [10+10]

8. a) Write a program for design of a raft formulation for a suitable data (assume).

b) Write an algorithm to design discharge through V-notch. [10+10]

*****

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Code No: C4CE26

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

R05 IV B.Tech. (CCC) Supplementary Examinations June 2009

CAD

(Civil Engineering)

Time: 3 hours Max Marks: 100

Answer any FIVE Questions.

All Questions carries equal marks.

-----

1. List and explain input and out devices. [20]

2. Explain briefly two-dimensional transformation of configuration graphic

System. [20]

3. Explain step by ste procedure for stiffness formulation for plane pinjointed

Truss. [20]

4. Write differential equation for a beam element and solve the equation

for slope and deflection. [20]

5. State linear programming problem mathematically and give the

solution procedure using Simplex method. [20]

6. Explain the algorithm for revised simplex method for the optimization

by linear programming. [20]

7. Write a program in C for the design of a fixed beam subjected to

uniformly distributed load covering the entire span. [20]

8. Write step by step procedure for the desine of a raft foundation. [20]

*****

05

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triveni.

ac.in

Code. No: C4CE26JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

B.Tech (CCC) IV Year Supplementary Examinations July/August - 2010

CAD

(Civil Engineering)

Time: 3 Hours Max.Marks:100

Answer Any Five Questions

All Questions Carry Equal Marks

- - -

1. a) Explain different types of plotters and input devices.

b) Explain the features of CAD and AutoCAD application.

c) Explain the different steps involved in graphic design. [20]

2. a) Explain two dimensional and three dimensional transformation

b) What are the steps involved in database structure and explain them. [10+10]

3. a) Obtain the global stiffness formulation of a plane frame member.

b) What is meant by coordinate transformation, explain with examples? [10+10]

4. a) Explain the assumption involved in beam on elastic formulation and boundary

conditions.

b) Explain finite difference formulation on beams and plates [10+10]

5. a) Explain simplex method in linear programming

b) Explain pivotal reduction and simplex algorithm. [10+10]

6. a) Explain the application of decomposition principal with examples.

b) Explain the port optimality analysis for transportation problems. [10+10]

7. a) Write algorithm for analysis of a continuous beam using displacement method

b) Write a program to design rectangular beam for a suitable loading condition

(assume). [10+10]

8. a) Write a program for design of a raft formulation for a suitable data (assume).

b) Write an algorithm to design discharge through V-notch. [10+10]

*****

Available B.Tech(CCC) Previous Question Papers with Solutions

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