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Calculate the conveyance of a rectangular channel having depth 0.5m and width 0.8m. C = 50.

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+1 vote
in Fluid Mechanics by (118k points)
Calculate the conveyance of a rectangular channel having depth 0.5m and width 0.8m. C = 50.

(a) 6.42m^3⁄s

(b) 7.42m^3⁄s

(c) 8.42m^3⁄s

(d) 9.42m^3⁄s

This question was posed to me during an internship interview.

I'm obligated to ask this question of Manning’s Equation topic in portion Flow in Open Channels of Fluid Mechanics

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Correct answer is (d) 9.42m^3⁄s

Explanation: Conveyance (K) = AC√R

A = By = 0.4m^2

P = B+2y = 1.8m

R = 0.22m

K = 0.4(50)√0.22

K = 9.42 m^3/s.

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