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Waste Water Engineering

Waste Water Engineering
The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is

7 m
5 m
6.5 m
5.5 m

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Waste Water Engineering
The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is

100 cm
120 cm
150 cm
110 cm

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Waste Water Engineering
The average temperature of sewage in India, is

15°C
25°C
10°C
20°C

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Waste Water Engineering
The sewer which received discharge from two or more main sewers, is known as

A main sewer
An outfall sewer
A trunk sewer
An intercepting sewer

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Waste Water Engineering
Fresh sewage is generally

A source of objectionable odour
Acidic
Alkaline
Highly decomposed

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

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

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MORE MCQ ON Waste Water Engineering

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