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Waste Water Engineering

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

None of these
Sullage
Sewage
Liquid waste

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Waste Water Engineering
No treatment of the sewage is given if dilution factor is

Less than 150
Between 200 to 300
Between 150 to 200
More than 500

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Waste Water Engineering
In a fully mechanised composting plant, involves

Mechanized segregation
All of these
Mechanized pulverising of refuse
Mechanized receipt

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Waste Water Engineering
Aerobic bacterias

Consume organic matter as their food
All of these
Flourish in the presence of free oxygen
Oxidise organic matter in sewage

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Waste Water Engineering
Large diameter sewers subjected to external pressure alone, are reinforced

Near the outer surface of the pipe
With elliptical cage
Near the inner surface of the pipe
Both A and B

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Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, is

1.425 D
1.350 D
1.250 D
1.625 D

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