Civil Engineering - UPSC Civil Service Exam Questions

41. 

A shaft turns at 150 rpm under a torque of 1500 Nm. Power transmitted is

A. 15 π kW
B. l0 π kW
C. 7.5 π kW
D. 5 π kW

Answer: Option C

Explanation:

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42. 

Consider the following factors :
1. Initial prestress
2. Losses in prestress
3. Depth of cable from extreme compression fibre.
Those which affect the ultimate moment capacity of a prestressed concrete beam would include

A. 1 and 2
B. 1 and 3
C. 1 alone
D. 3 alone

Answer: Option D

Explanation:

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43. 

If the stream function is ψ = 2 xy, then the velocity at a point (1, 2) is equal to

A. 2
B. 4
C. 20
D. 16

Answer: Option C

Explanation:

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44. 

The cantilever frame shown in the given figure is supported by vertical links at B and C and carries loads as shown. The force in the bar AE is

A. 500 kg
B. 1000 kg
C. zero
D. 2500 kg

Answer: Option C

Explanation:

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45. 

Two piles, one a bored cast-in-situ pile and another a precast driven pile, both of same length and diameter are constructed in a loose sand deposit. If the bearing capacity of the bored pile is Q1, and that of the precast driven pile is Q2, then which of the following is correct ?

A. Q1 > Q2
B. Q1 = Q2
C. Q1 < Q2
D. No specific comparison may hold good

Answer: Option A

Explanation:

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