This set of Structural Analysis Multiple Choice Questions & Answers (MCQs) focuses on “Analysis of Frames : No Sidesway-II”.

AB = 12m, BC= 8m

Assume EI to be constant throughout. All moment options are given in N-m and all force options are given in N.

FEM represent fixed end moments.

1. What will be the value of mAB?

a) 22.9

b) 45.7

c) -45.7

d) -22.9

View Answer

Explanation: Just substitute the value of rotation at point B in 1st sde equation.

2. What will be the value of mBA?

a) 22.9

b) 45.7

c) -45.7

d) -22.9

View Answer

Explanation: Just substitute the value of rotation at point B in 2nd sde equation.

3. What will be the value of mBC?

a) 22.9

b) 45.7

c) -45.7

d) -22.9

View Answer

Explanation: Just substitute the value of rotation at point B and at point C in 3rd sde equation.

4. What will be the value of mCB?

a) 22.9

b) 45.7

c) -45.7

d) -22.9

View Answer

Explanation: Just substitute the value of rotation at point B and at point C in 4th sde equation.

5. What will be the value of mCD?

a) 22.9

b) 45.7

c) -45.7

d) -22.9

View Answer

Explanation: Substitute the value of rotation at point C in 5th equation.

6. What will be the value of mDC?

a) 22.9

b) 45.7

c) -45.7

d) -22.9

View Answer

Explanation: Substitute the value of rotation at point C in 6th equation.

A and C are fixed supports. M acts at point B in clockwise direction. AB = BC = L. EI is constant throughout the frame.

7. This beam is a sway frame.

State whether this statement is true or false.

a) true

b) false

View Answer

Explanation: This frame is a non-sway frame as due to its shape and geometry, no deflection is possible in any member.

8. What will be the value of FEMBC?

a) 80

b) -80

c) -160

d) 0

View Answer

Explanation: No force is applied in that part. We will consider moment M for joint equilibrium.

9. What will be the value of FEMCB?

a) 80

b) 0

c) -160

d) 160

View Answer

Explanation: No force is applied in that part. We will consider moment M for joint equilibrium.

10. What will be the value of rotation at point A?

a) 137.1/EI

b) -137.1/EI

c) 0

d) 100/EI

View Answer

Explanation: There won’t be any rotation at point A as it is a fixed support.

11. What will be the value of rotation at point C?

a) 137.1/EI

b) -137.1/EI

c) 0

d) 100/EI

View Answer

Explanation: There won’t be any rotation at point D as it is a fixed support.

12. How many deflection unknowns will be there in this case for which we would need equations?

a) 0

b) 1

c) 2

d) 3

View Answer

Explanation: Initially, there will be 2 displacement unknowns, but all of them will come out to be zero as it is non-sway frame.

13. How many unknowns will be left finally which are non-zero?

a) 0

b) 1

c) 2

d) 3

View Answer

Explanation: Rotation at points B will be left finally to be calculated from equations.

14. How many total slope deflection equations will be written in this question?

a) 8

b) 6

c) 4

d) 3

View Answer

Explanation: 2 members are there and non joint has a zero moment, so there will be 4 sde equations.

15. Which of the following points should be chosen to generate extra equations?

a) B

b) B and C

c) C and D

d) D and A

View Answer

Explanation: All unknown will come in account if we consider joint equilibrium about joint B.

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