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Waste Water Engineering

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

None of these
Industrial waste
Sanitary sewage
Storm sewage

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Waste Water Engineering
The sewerage system consists of

House sewer
Branch sewer
All of these
Lateral sewer

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Waste Water Engineering
Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for

Unexpected increase in the population
Under estimates of maximum and average flows
Unexpected large scale infiltration of stream water
All of these

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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 main sewer
An outfall sewer
A trunk sewer

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Waste Water Engineering
For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of

140 cm
160 cm
100 cm
120 cm

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Waste Water Engineering
As compared to fresh river water, sea water contains oxygen

20% less
10% less
10% more
20% more

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