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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 5
16.
Water losses in water supply, is assumed as
5%
7.5%
10%
22.5%
15%.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The pH value of water is kept slightly less than 7 so that hydrochloride ions may combine with ammonia ions to form
Mono-chloramine (NHCl)
Di-chloramine (NH2Cl)
Nitrogen trichloramine (NCl3)
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
'Shrouding' is essentially provided in
strainer type wells
cavity type wells
slotted type well
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The ensure proper growth of children's teeth, the quantity of flouride used in water mains, is
1 mg/litre
2 mg/litre
3 mg/litre
4 mg/litre
5 mg/litre.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Chemical coagulation of drinking water, is done
to settle suspended materials
to increase rate of settlement of suspended materials
to remove the bacterias
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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