Civil Engineering - Water Supply Engineering

11.
Most commonly used pump for lifting water in water supply mains, is
axialflow pump
reciprocating pump
rotary type pump
centrifugal pumps
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
Economic height of a dam is the height corresponding to which
cost of the dam per unit of storage is minimum
amount of silting is less
cost of dam per unit storage is maximum
free board provided is least
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
Distribution mains of any water supply, is normally designed for its average daily requirement
100%
150%
200%
225%.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
If pH value of water is
7 water it is said to be neutral
less than 7 it is said to be acidic
more than 7 it is said to be alkaline
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
In pressure supply mains, water hammer pressure is reduced by providing
sluice valves
air valves
pressure relief valves
none of the these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.