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The quantity of waste water is assumed to be ___________ % of the quantity of water supply.

(a) 40

(b) 50

(c) 60

(d) 80

The question was asked by my school teacher while I was bunking the class.

My question is taken from Dry Weather Flow in portion Water Supply for Building, Collection and Conveyance of Sewage, Waste Water Flow Rate of Environmental Engineering

1 Answer

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Best answer
Right answer is (d) 80

The explanation is: The quantity of waste water is assumed to be 80 % of the quantity of water supply when no extra water enters the sewer.

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