Civil Engineering - Water Supply Engineering

1. 

Manholes are less common in

A. cast iron pipes
B. steel pipes
C. hume steel pipes
D. R.C.C. pipes.

Answer: Option A

Explanation:

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2. 

Pick up the correct statement from the following :

A. If ports are closed, the dry intake towers will not have any water
B. Even if ports are closed, the wet intake tower will have water filled up to reservoir level
C. The dry intake towers are generally constructed with heavier construction to resist buoyant forces
D. No buoyant force acts on wet intake towers
E. All the above.

Answer: Option E

Explanation:

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3. 

While designing a water supply of an industrial township, industrial and commercial water demand of total supply, is assumed

A. 10%
B. 10 to 15%
C. 15 to 20%
D. 20 to 25%.

Answer: Option D

Explanation:

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4. 

The storage capacity of a reservoir may be divided into three zones. The lowest zone is

A. Dead storage
B. Useful storage
C. Surcharge storage
D. None of these.

Answer: Option A

Explanation:

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5. 

In a rapid gravity filter

A. raw water from the source is supplied
B. disinfected raw water is supplied
C. raw water passed through coagulation tank is supplied
D. none of these.

Answer: Option C

Explanation:

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