Civil Engineering - UPSC Civil Service Exam Questions

11. 

The moment of inertia of a square cross-section of side 'b' about its diagonal is

A. b4/3
B. b4/6
C. b4/8
D. b4/12

Answer: Option D

Explanation:

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12. 

A particle of mass M is attached to a light horizontal wire which is stretched tightly between two fixed ends with a tension T. If a and b are the distances of the particle from the two ends, then the period of a small transverse oscillation of the particle is given by

A.
B.
C.
D.

Answer: Option B

Explanation:

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13. 

What is the ratio of the permissible bearing stress in power driven shop rivets relative to the yield stress of mild steel ?

A. 1.0
B. 0.8
C. 0.6
D. 0.4

Answer: Option B

Explanation:

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14. 

If the methyl orange alkalinity of water equals or exceeds total hardness, all of the harness is

A. non-carbonate hardness
B. carbonate hardness
C. pseudo hardness
D. negative non-carbonate hardness

Answer: Option B

Explanation:

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15. 

Which one of the following statements is correct ? The number of unknowns to be determined in the stiffness method is equal to :

A. the static indeterminacy
B. the kinematic indeterminacy
C. the sum of kinematic indeterminacy and static indeterminacy
D. two times the number of supports

Answer: Option C

Explanation:

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