Exercise: Water Supply Engineering

Questions for: Water Supply Engineering

The maximum permitted loss of head in a rapid sand filter, is
A:
1 m
B:
2 m
C:
3 m
D:
4 m
Answer: C
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Sluice valves are fitted in a distribution system
A:
along straight length of pipes at suitable intervals
B:
at the junctions of the pipes
C:
at the branching off points of sub-mains
D:
all the above.
Answer: D
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Service connections to consumers houses, are generally provided with
A:
copper pipes
B:
hume pipes
C:
galvanised iron pipes
D:
P.V.C. pipes
Answer: C
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For estimating the run off of catchments, the mean value of the constant 'K' in the Khosla's formula Qy = Py - K (1.8 Ty + 32) is
A:
1.21
B:
1.23
C:
1.25
D:
1.27
Answer: D
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For plain chlorination of water, the quantity of chlorine used, is
A:
0.1 mg/litre
B:
0.2 mg/litre
C:
0.3 mg/litre
D:
0.4 mg/litre
Answer: E
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