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Waste Water Engineering

Waste Water Engineering
The average temperature of sewage in India, is

25°C
15°C
20°C
10°C

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Waste Water Engineering
Disposal to sewage in large cities, is done in

Oxidation
Dilution
Irrigation
Purification

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Waste Water Engineering
The coagulant which is generally not used for treating the sewage, is

Chlorinated coppers
Ferric chloride
Ferric sulphate
Alum

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

Reciprocating pump
None of these
Centrifugal pump
Pneumatic ejector

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Waste Water Engineering
The effluent of a septic tank is

None of these
Foul and contains dissolved and suspended solids
Fit for discharge into any open drain
As good as that from a complete treatment

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Waste Water Engineering
¾th or ¼th extra space is left in sewer pipes at maximum discharge for

Unexpected increase in population
All listed here
Large scale infiltration of storm water
Low estimates of the average and maximum flows

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