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Waste Water Engineering

Waste Water Engineering
The liquid wastes from kitchens, bath rooms and wash basins, is not called

Liquid waste
Sullage
Sewage
None of these

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Waste Water Engineering
If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is

2 hours
3 hours
5 hours
4 hours

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Waste Water Engineering
The discharge per unit plan area of a sedimentation tank, is generally called

Surface loading
Over flow rate
All of these
Over flow velocity

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Waste Water Engineering
For a continuous flow type of sedimentation tanks

Width of the tank is normally kept about 6 m
Length of the tank is normally kept 4 to 5 times the width
All listed here
Maximum horizontal flow velocity is limited to 0.3 m/minute

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Waste Water Engineering
Sewer ventilating columns are generally placed at

Distances 150 m to 300 m
All listed here
Upper ends of branch sewers
Every change in the size of sewers

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

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

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