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Waste Water Engineering

Waste Water Engineering
The factor responsible for purification of sewage in river is

Hydrology
Dissolved oxygen in water
Temperature
All listed here

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Waste Water Engineering
For sewers, inverted siphon is provided for

Four pipes
One pipe
Three pipes
Two pipes

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Waste Water Engineering
The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in

Chezy’s formula
Kutter’s formula
Manning’s formula
Bazin’s formula

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Waste Water Engineering
Facultative bacteria survive in

Neither A nor B
Both cases A and B
The presence of oxygen
The absence of oxygen

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Waste Water Engineering
The minimum recommended diameter of sewers, is

20 cm
15 cm
5 cm
10 cm

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Waste Water Engineering
In SI units the power of sound is represented in

Newtons
Watts
Joules
Kgs

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