Civil Engineering - UPSC Civil Service Exam Questions

36. 

The description of solid waste collected is as follows :
Night soil - 35 t
Rubbish - 40 t
Debris - 25 t
Garbage - 40 t
The organic solids in the above composition is

A. 35 t
B. 60 t
C. 100 t
D. 75 t

Answer: Option D

Explanation:

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37. 

Lacustrine soils are soils

A. transported by rivers and streams
B. transported by glaciers
C. deposited in sea beds
D. deposited in lake beds

Answer: Option D

Explanation:

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38. 

If a sluice gate produces a change in the depth of water from 3.0 m to 0.6 m, then the force on the gate is about

A. 9.5 kN/m
B. 19.0 kN/m
C. 38.0 kN/m
D. 76.0 kN/m

Answer: Option C

Explanation:

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39. 

When the bubble of a level tube was moved by 10 divisions, the change in staff intercept was 0.05 m. If the distance between the staff and the instrument was 100 m, then the senstitiveness of the bubble tube is given by

A. 1.03 sec of arc
B. 10.3 sec of arc
C. 20.6 sec of arc
D. 103 sec of arc

Answer: Option A

Explanation:

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40. 

Self-cleansing velocity is

A. the minimum velocity of flow required to maintain a certain amount of solids in the flow
B. the maximum velocity of flow required to maintain a certain amount of solids in the flow
C. such flow velocity as would be sufficient to flush out any deposited solids in the sewer
D. such flpw velocity as would be sufficient to ensure the sewage does not remain in the sewer

Answer: Option C

Explanation:

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