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Waste Water Engineering

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

15 litres
10 litres
25 litres
20 litres

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Waste Water Engineering
In a fully mechanised composting plant, involves

Mechanized pulverising of refuse
Mechanized receipt
All of these
Mechanized segregation

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Waste Water Engineering
Large diameter sewers subjected to external pressure alone, are reinforced

Both A and B
With elliptical cage
Near the outer surface of the pipe
Near the inner surface of the pipe

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

Parasitic decomposition
None of these
Anaerobic decomposition
Aerobic decomposition

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Waste Water Engineering
Water content of sewage is about

0.999
0.99
0.9
0.95

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Waste Water Engineering
The small sewers are cleaned by

Wooden pills
None of these
Flushing
Cane rodding

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