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Waste Water Engineering

Waste Water Engineering
The water carried sewerage system removes

All listed here
Industrial sewage
Storm sewage
Domestic sewage

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Waste Water Engineering
If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is

300 mg/l
100 mg/l
400 mg/l
200 mg/l

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Waste Water Engineering
The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is

3
4
1.5
2

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Waste Water Engineering
Oxidation process results in the formation of

All of these
Nitrates
Sulphates
Carbon dioxide

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Waste Water Engineering
For sewers, inverted siphon is provided for

One pipe
Four pipes
Two pipes
Three pipes

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Waste Water Engineering
The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is

1.085
1.095
1.075
1.065

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MORE MCQ ON Waste Water Engineering

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