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Waste Water Engineering

Waste Water Engineering
The sewage treatment in septic tanks is due to

Anaerobic decomposition
Aerobic decomposition
None of these
Parasitic decomposition

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

Purification
Irrigation
Oxidation
Dilution

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Waste Water Engineering
Lead acetate test in sewer manhole is done to test the presence of

Carbondioxide gas
Hydrogen sulphide
Methane gas
Diesel vapours

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Waste Water Engineering
The rate of accumulation of sludge per person per year, is

10 litres
20 litres
25 litres
15 litres

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Waste Water Engineering
Which one of the following tests is used for testing sewer pipes?

Ball test
All of these
Water test
Mirror test

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Waste Water Engineering
The rational formula for peak drainage discharge, was evolved by

Lloyd David
Fruhling
All of these
Kuichling

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