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Waste Water Engineering

Waste Water Engineering
For large sewers, maximum distance between manholes may be

200 m
300 m
100 m
50 m

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Waste Water Engineering
In trickling filter, B.O.D. is reduced to

30 to 40%
60 to 80%
80 to 90%
40 to 60%

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

Overflow weir
Leaping weir
None of these
Siphon spill way

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Waste Water Engineering
In olden days the type of section adopted in trunk and out fall sewers was

Circular shaped
Egg shaped
Horse shoe shaped
Parabolic shaped

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Waste Water Engineering
The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called

all of these
Depressed sewer
Sag pipe
Inverted syphon

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Waste Water Engineering
Dry water flow in a combined sewer, is

Storm water
Industrial sewage
Inclusive of domestic and industrial sewage but excludes storm water
Domestic sewage

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MORE MCQ ON Waste Water Engineering

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