Civil Engineering - Water Supply Engineering

6. 

In distribution pipes, air valves are provided at

A. lower points
B. junction points
C. higher points
D. any where.

Answer: Option C

Explanation:

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7. 

The flow of water gets retarded, in

A. settling tank
B. sedimentation tank
C. clarifer
D. sedimentation basin
E. all the above.

Answer: Option E

Explanation:

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8. 

Surcharge storage zone of a reservoir, is

A. below dead storage
B. between dead storage and useful storage
C. above useful storage
D. also known as valley storage.

Answer: Option C

Explanation:

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9. 

Surface water may

A. contain large amount of impurities
B. be contaminated by impurities
C. contain disease producing bacterias
D. all the above.

Answer: Option D

Explanation:

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10. 

For a city developed haphazardly, the layout of distribution pipes preferred to, is

A. ring system
B. radial system
C. grid iron system
D. dead end system.

Answer: Option D

Explanation:

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