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Waste Water Engineering

Waste Water Engineering
Disposal to sewage in large cities, is done in

Purification
Irrigation
Oxidation
Dilution

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Waste Water Engineering
For house drainage minimum gradient is

1 in 400
1 in 60
1 in 10
1 in 80

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Waste Water Engineering
The spacing of bars for perforations in coarse screens used for the treatment of sewage, is

30 mm
40 mm
50 mm
20 mm

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Waste Water Engineering
The coagulant which is generally not used for treating the sewage, is

Ferric sulphate
Chlorinated coppers
Ferric chloride
Alum

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

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

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

Inverted syphon
Depressed sewer
all of these
Sag pipe

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MORE MCQ ON Waste Water Engineering

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