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Waste Water Engineering

Waste Water Engineering
The algae dies out in the zone of

Degradation
Cleaner water
Recovery
Active decomposition

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Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is

1.75 D
1.15 D
1.5 D
1.25 D

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Waste Water Engineering
Fresh sewage is generally

Acidic
A source of objectionable odour
Highly decomposed
Alkaline

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Waste Water Engineering
The formula V = (1/n) r2/3

Kutter’s formula
Bazin’s formula
Manning’s formula
Chezy’s formula

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Waste Water Engineering
An inverted siphon is designed generally for

Three pipes
Two pipes
Four pipes
One pipe

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Waste Water Engineering
Which one of the following gases is most significant as air pollutant?

Sulphur-dioxide
Oxygen
Nitrogen
Carbondioxide

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