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Waste Water Engineering

Waste Water Engineering
The sewerage system originates from

Main sewers
House sewers
Lateral sewers
Branch sewers

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Waste Water Engineering
In a fully mechanised composting plant, involves

Mechanized pulverising of refuse
Mechanized receipt
Mechanized segregation
All of these

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Waste Water Engineering
For house drainage minimum gradient is

1 in 400
1 in 10
1 in 80
1 in 60

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Waste Water Engineering
In sewers the velocity of flow should not be

More than the self-cleansing velocity
Less than 10 m/sec
Less than the self-cleansing velocity
More than 20 m/sec

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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
The effluent of a septic tank is

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

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MORE MCQ ON Waste Water Engineering

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