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Estimate the value of Sf if the value of bed slope is 1 in 800 and and ^dE⁄dx = 10^-3m.

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+1 vote
in Fluid Mechanics by (118k points)
Estimate the value of Sf if the value of bed slope is 1 in 800 and and ^dE⁄dx = 10^-3m.

(a) 0.00015

(b) 0.00025

(c) 0.00035

(d) 0.00045

This question was addressed to me in an international level competition.

This intriguing question comes from Gradually Varied Flow(GVF) in chapter Non Uniform Flow in Channels of Fluid Mechanics

1 Answer

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by (362k points)
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Best answer
The correct option is (b) 0.00025

The best explanation: ^dE⁄dx = S0 – Sf; Sf = 0.00025.

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