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Waste Water Engineering

Waste Water Engineering
Lead caulked joints are used for laying

G.I. pipes
Earthenware pipes
I. pipes
Stone ware pipes

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Waste Water Engineering
The non-clog pump which permits solid matter to pass out with the liquid sewage, is

Pneumatic ejector
Centrifugal pump
Reciprocating pump
None of these

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Waste Water Engineering
If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by

Manning
Bazin
Chezy
Kutter

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Waste Water Engineering
The following is the physical characteristic of sewage

Turbidity
Colour
All listed here
Odour

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Waste Water Engineering
In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is

15
10
20
5

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

Hilly town ships
Industrial areas
Large town ships
Cities in plains

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