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Waste Water Engineering

Waste Water Engineering
The underground sewers are more subjected to

Tensile force
Shearing force
Compressive force
Bending force

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Waste Water Engineering
Pathogens (or pathogenic bacterias) in water may cause

Dysentery
Typhoid
Cholera
All listed here

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Waste Water Engineering
In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is

15
20
5
10

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Waste Water Engineering
The settlement of a particle in sedimentation tank, is affected by

All listed here
Size and shape of solid
Viscosity of water
Velocity of flow

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Waste Water Engineering
The asbestos cement pipes are generally laid

At an angle of 60°
Vertically
At an angle of 30°
Horizontally

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Waste Water Engineering
A well oxidized sewage contains nitrogen mainly as

Free ammonia
None of these
Nitrites
Nitrates

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