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Waste Water Engineering

Waste Water Engineering
The algae dies out in the zone of

Cleaner water
Degradation
Recovery
Active decomposition

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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
The sewer that unloads the sewage at the point of treatment is called

Main sewer
House sewer
Branch sewer
Outfall sewer

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Waste Water Engineering
In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is

2.25
2.65
2.55
2.5

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Waste Water Engineering
If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is

1 in 60
1 in 100
1 in 120
None of these

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Waste Water Engineering
The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope

1 in 20
1 in 15
1 in 5
1 in 10

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