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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 3
21.
In pumping stations, the type of joint generally used, is
socket and spigot joint
flanged joint
expansion joint
dresser coupling joint
flexible joint.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The permissible pH value for public water supplies may range between
4.5 to 5.5
5.5 to 6.5
6.5 to 8.5
8.5 to 10.5
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The strainer type tube well, is unsuitable for
coarse gravels
fine sandy strata
clean gravels
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Pick up the correct statement from the following :
Lime may be used to soften the hard water
Excessive use of lime may kill the bacterias
Excessive lime when added to water, raises its pH value
When lime raises pH value of water to about 9.5, 100% bacterias are removed
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Specific capacity or yield of wells, is generally expressed, as
m3 per sec
m3/hour
m3/hour/m2
m3/hour/m2/m
m3/hour/m2/sec.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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