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Waste Water Engineering

Waste Water Engineering
The small sewers are cleaned by

Wooden pills
None of these
Flushing
Cane rodding

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Waste Water Engineering
Rate of flow of sewage is generally assumed

At 150 litres per capita
More than the rate of water supply
Equal to the rate of water supply
Less than the rate of water supply

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Waste Water Engineering
If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is

4 hours
2 hours
5 hours
3 hours

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Waste Water Engineering
The spacing of bars for perforations in coarse screens used for the treatment of sewage, is

20 mm
40 mm
30 mm
50 mm

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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
Sanitary sewage
None of these

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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

5 m
6.5 m
7 m
5.5 m

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