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Waste Water Engineering

Waste Water Engineering
The drop man holes are generally provided in sewers for

Hilly town ships
Industrial areas
Cities in plains
Large town ships

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

Hydrology
All listed here
Temperature
Dissolved oxygen in water

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

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

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

A jar
A test tube
An Imhoff cone
A breaker

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Waste Water Engineering
depends upon The Chezy’s constant C in the formula V = C

Shape of the sewer
Roughness of sewer surface
Size of the sewer
All listed here

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