Civil Engineering - UPSC Civil Service Exam Questions

41. 

The slenderness ratio of lacing bars should not exceed :

A. 100
B. 200
C. 145
D. 180

Answer: Option C

Explanation:

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42. 

A three-hinged semicircular arch of radius R carries a uniformly distributed load W per unit run over the whole span. The horizontal thrust is

A. WR
B. WR/2
C. 4/3π WR
D.

Answer: Option B

Explanation:

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43. 

The acceleration components of a fluid particle are denoted as
1. local tangential acceleration.
2. convective tangential acceleration.
3. local normal acceleration.
4. convective normal acceleration.
In a curved nozzle fitted to the end of straight pipeline carrying water under variable head, the acceleration component that are present would include

A. 1 and 2
B. 3 and 4
C. 1, 2 and 4
D. 1, 2, 3 and 4

Answer: Option C

Explanation:

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44. 

In the truss shown in the given figure, the forces in the members AB and BC will be respectively (plus denotes tension)

A. zero and zero
B. - W/cos 60° and + W tan 60°
C. - W/cos 60° and zero
D. zero and + W tan 60°

Answer: Option A

Explanation:

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45. 

Consider the following statements :
In the beam shown in the given figure, for all positions of load W (except x = 0)
1. bending moment is maximum at B
2. bending moment is maximum under load
3. deflection is zero at A
4. deflection is zero at B
Of these statements :

A. 1 and 3 are correct
B. 2 and 4 are correct
C. 1 and 4 are correct
D. 1, 3 and 4 are correct

Answer: Option D

Explanation:

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