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Waste Water Engineering

Waste Water Engineering
The minimum recommended diameter of sewers, is

15 cm
20 cm
5 cm
10 cm

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Waste Water Engineering
Hume steel pipes are

Both B and C
Steel pipes
Steel shell coated from inside with cement mortar
Steel shell coated from outside with cement mortar

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Waste Water Engineering
An inverted siphon is designed generally for

Four pipes
Three pipes
One pipe
Two pipes

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Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is

1.75 D
1.15 D
1.5 D
1.25 D

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Waste Water Engineering
In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is

[(100 – P1)/(100 + P2)] V1
[(100 + P1)/(100 – P2)] V1
[(100 – P1)/(100 – P2)] V1
[(100 + P2)/(100 – P1)] V1

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Waste Water Engineering
During purification process of sewage the gas given off, is

Hydrogen
Ammonia
All listed here
Carbon dioxide

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MORE MCQ ON Waste Water Engineering

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