# 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

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. 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

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°

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