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Waste Water Engineering

Waste Water Engineering
Water content of sewage is about

0.999
0.95
0.9
0.99

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Waste Water Engineering
In case of Imhoff tanks,

Detention period is 2 hours
All of these
The shape is rectangular
The velocity of flow is restricted to 0.30 m/minute

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Waste Water Engineering
In sewage, the solids in mg per litre is

100 to 500
500 to 1000
1000 to 1500
1500 to 2000

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Waste Water Engineering
The maximum diameter of sewers adopted in the designs is

4.0 m
3.0 m
1.0 m
2.0 m

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

Irrigation
Dilution
Oxidation
Purification

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

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

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MORE MCQ ON Waste Water Engineering

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