Civil Engineering - UPSC Civil Service Exam Questions

31. 

Non-collodial liguids are :

A. Newtonian fluids
B. Plastic fluids
C. ideal fluids
D. dilatant fluids

Answer: Option C

Explanation:

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32. 

Consider the following statements with respect to tunnelling methods:
1. Full face excavation is suitable for small size tunnel of short length in compact rock. It is not suitable in urban areas.
2. Heading and Benching method is suitable for soft rock tunnelling of medium size.
3. Drift method is suitable for large tunnels in difficult or incompetent rock.
Which of the statements given above are correct ?

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

Answer: Option A

Explanation:

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33. 

For excavating utility trenches with precise control of depth the excavation equipment used is:

A. Hoe
B. Shovel
C. Dragline
D. None of the above

Answer: Option A

Explanation:

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34. 

Sewage sickness is a term used for

A. persons who become sick after drinking polluted water
B. a treatment plant which does not function properly
C. a stream where the flora and fauna die due to sewage inflow
D. the condition of land where sewage is applied continuously for a long period.

Answer: Option D

Explanation:

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35. 

Which one of the following conditions is a typical characteristic of critical flow (symbols have the usual meanings)

A.
B.
C.
D.

Answer: Option A

Explanation:

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