Civil Engineering - Water Supply Engineering

31.
Alum is a
coagulant
flocculant
catalyst
disinfectant.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
If L, B and D length, breadth and depth of water in a rectangular sedimentation tank of total discharge Q, the settling velocity, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
In a reservoir the average volume of sediment deposition is 0.15 million cubic per year. If the dead storage and total capacity of the reservoir are 8 million cubic metres and 36 million cubic metres respectively,
the reservoir will theoretically be silted in 240 years
the reservoir will start reducing after 60 years
both (a) and (b)
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
Q is the discharge from an unconfined tube well with depression head S through a pipe of radius rw. If the radius of influence is R, the minimum required length of the strainer, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
The requirement of water per capita per day, is
90 litres
150 litres
250 litres
400 litres.
Answer: Option
Explanation:
No answer description is available. Let's discuss.