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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 7
36.
Water may contain
bicarbonate alkalinity
carbonate alkalinity
hydroxide alkalinity
caustic alkalinity
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Pick up the correct statement from the following :
The pH value of neutral water is 7
The maximum acidity is obtained when pH value is zero
The maximum alkalinity is obtained when pH value is 14.
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
For controlling algae, the most commonly used chemical, is
copper sulphate
alum
lime
bleaching powder.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
According to Godrich the ratio of peak demand rate to mean demand is
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The head against which the motor works for lifting water, is
maximum depth of water table below ground level
maximum depression head
velocity head
frictional losses in the delivery pipe
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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