Civil Engineering - Water Supply Engineering
Exercise :: Water Supply Engineering - Section 1
| 11. |
Most commonly used pump for lifting water in water supply mains, is |
| A. |
axialflow pump | | B. |
reciprocating pump | | C. |
rotary type pump | | D. |
centrifugal pumps | | E. |
none of these. |
Answer: Option A
Explanation:
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| 12. |
Economic height of a dam is the height corresponding to which |
| A. |
cost of the dam per unit of storage is minimum | | B. |
amount of silting is less | | C. |
cost of dam per unit storage is maximum | | D. |
free board provided is least | | E. |
none of these. |
Answer: Option A
Explanation:
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| 13. |
Distribution mains of any water supply, is normally designed for its average daily requirement |
Answer: Option D
Explanation:
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| 14. |
If pH value of water is |
| A. |
7 water it is said to be neutral | | B. |
less than 7 it is said to be acidic | | C. |
more than 7 it is said to be alkaline | | D. |
all the above. |
Answer: Option D
Explanation:
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| 15. |
In pressure supply mains, water hammer pressure is reduced by providing |
| A. |
sluice valves | | B. |
air valves | | C. |
pressure relief valves | | D. |
none of the these. |
Answer: Option C
Explanation:
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