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Waste Water Engineering

Waste Water Engineering
The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is

2
1.5
4
3

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Waste Water Engineering
If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by

Kutter
Chezy
Manning
Bazin

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

Carbon dioxide
Ammonia
All listed here
Hydrogen

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Waste Water Engineering
The quantity of liquid waste which flows in sewers during the period of rainfall, is known

Storm sewage
None of these
Industrial waste
Sanitary sewage

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Waste Water Engineering
The sewer which received discharge from two or more main sewers, is known as

An intercepting sewer
A trunk sewer
A main sewer
An outfall sewer

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Waste Water Engineering
For evaporation and measurement of settable solids, the apparatus used, is

A jar
An Imhoff cone
A test tube
A breaker

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