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Waste Water Engineering

Waste Water Engineering
Setting out the alignments of sewers may start from

City
Any point
Tail end
Out-fall

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Waste Water Engineering
The most effective arrangement for diverting excess storm water into a natural drainage, is

None of these
Overflow weir
Leaping weir
Siphon spill way

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Waste Water Engineering
With self cleansing velocity in sewers

Scouring occurs at bottom
Silting occurs at bottom
Neither silting nor scouring occurs at bottom
Both silting and scouring occur at bottom

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Waste Water Engineering
The first stage of neutral process of sludge digestion, is

None of these
Alkaline fermentation
Acid fermentation
Acid regression

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Waste Water Engineering
If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by

Kutter
Chezy
Bazin
Manning

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Waste Water Engineering
For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by

Frubling
Lloyd Davis
All listed here
Kinchling

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