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Waste Water Engineering

Waste Water Engineering
The minimum diameter of sewer to be adopted is

25 cm
12.5 cm
10 cm
15 cm

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Waste Water Engineering
Ventilating shafts are provided to a sewer line at every

150 m
100 m
200 m
300 m

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Waste Water Engineering
The quantity of liquid waste which flows in sewers during the period of rainfall, is known

Industrial waste
Storm sewage
None of these
Sanitary sewage

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Waste Water Engineering
Sewer pipes need be checked for

None of these
Minimum flow
Both A and B
Maximum flow

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Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is

1.15 D
1.5 D
1.25 D
1.75 D

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Waste Water Engineering
The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is

6.5 m
7 m
5 m
5.5 m

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