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The rational formula for peak drainage discharge, was evolved by_________________?

August 15, 2021January 22, 2019 by admin

The rational formula for peak drainage discharge, was evolved by_________________?

A. Fruhling
B. Lloyd David
C. Kuichling
D. All of these

Categories Civil Engineering Mcqs, Waste Water Engineering

The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is__________________?

Dry weather flow is__________________?

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