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Waste Water Engineering

Waste Water Engineering
The drop man holes are generally provided in sewers for

Cities in plains
Large town ships
Industrial areas
Hilly town ships

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Waste Water Engineering
The disintegrating pump in which solid matter is broken up before passing out, is

Reciprocating pump
Pneumatic ejector
Centrifugal pump
None of these

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Waste Water Engineering
For evaporation and measurement of settable solids, the apparatus used, is

An Imhoff cone
A breaker
A jar
A test tube

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Waste Water Engineering
15 cumecs, the depth d and width are related by For drains up to

d = 0.5 B
B = 0.5 d
B = 0.2 d
d = 0.2 B

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Waste Water Engineering
In 1000 kg of sewage, the total solids approximate

5 kg to 7.5 kg
0.5 to 1.0 kg
7.5 kg to 10 kg
1 kg to 2.0 kg

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Waste Water Engineering
The pH value of fresh sewage is usually

Equal to 7
More than 7
Less than 7
Equal to zero

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