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Waste Water Engineering

Waste Water Engineering
In a sludge tank, the gas mainly produced, is

Oxygen
Carbon dioxide
Hydrogen
Nitrogen

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Waste Water Engineering
Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is?

Pneumatic ejector
Reciprocating pump
None of these
Centrifugal pump

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Waste Water Engineering
In a fully mechanised composting plant, involves

Mechanized pulverising of refuse
Mechanized segregation
Mechanized receipt
All of these

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Waste Water Engineering
The laying of sewers is done with

Clinometer
Level
Magnetic compass
Theodolite

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

Sullage
Sewage
None of these
Liquid waste

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Waste Water Engineering
Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to

Carbonaceous demand
First stage demand
All of these
Initial demand

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