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Which of the following surface has a maximum Kuichling’s impermeability factor?

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+1 vote
in Environmental Engineering by (81.4k points)
Which of the following surface has a maximum Kuichling’s impermeability factor?

(a) Gravel road

(b) Water tight roof surface

(c) Unpaved surface

(d) Macadamized road ways

This question was addressed to me by my college professor while I was bunking the class.

My question is taken from Rational Method in section Water Supply for Building, Collection and Conveyance of Sewage, Waste Water Flow Rate of Environmental Engineering

1 Answer

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by (693k points)
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Best answer
The correct option is (b) Water tight roof surface

The best explanation: The water tight roof surface has maximum Kuichling’s impermeability factor with a magnitude of 0.7 to 0.95 while gravel road, unpaved surface and macadamized road ways have < 0.7.

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