Civil Engineering - UPSC Civil Service Exam Questions

31. 

Consider the following statements :
Cement concrete is a/an :
1. Elastic material.
2. Visco-elastic material.
3. Visco-plastic material.
Which of the statements given above is/are correct ?

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

Answer: Option C

Explanation:

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32. 

Water present in an artesian aquifer is usually

A. at sub atmospheric pressure
B. at atmospheric pressure
C. at 0.5 times of the atmospheric pressure
D. above atmospheric pressure

Answer: Option D

Explanation:

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33. 

What is the shape of influence line diagram for the maximum bending moment in respect of a simply supported beam ?

A. Rectangular
B. Triangular
C. Parabolic
D. Circular

Answer: Option B

Explanation:

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34. 

Consider the following statements about a hydraulic ram :
1. Hydraulic ram does not need external power.
2. It works on the fundamental principle of water hammer.
3. The efficiency of a hydraulic ram is only of the order of 8 to 10%.
4. It can be termed as a low, intermittent discharge low-head pumping installation. Which of these statements are correct ?

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

Answer: Option C

Explanation:

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35. 

Which of the following are the purposes of a groyne as a river training structure ?
1. It contracts a river channel to improve its depth.
2. It protects the river bank.
3. It does not allow silt to deposit in the vicinity.
4. It trains the flow along a certain course.
Select the correct answer using the code given below :

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

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.