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Estimate the slope of energy line in a GVF having length of the back water curve 30000m and head loss of 1m.

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+2 votes
in Fluid Mechanics by (118k points)
Estimate the slope of energy line in a GVF having length of the back water curve 30000m and head loss of 1m.

(a) 1.33×10^-5

(b) 2.33×10^-5

(c) 3.33×10^-5

(d) 4.33×10^-5

The question was posed to me in semester exam.

I would like to ask this question from Gradually Varied Flow(GVF) topic in chapter Non Uniform Flow in Channels of Fluid Mechanics

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Correct choice is (c) 3.33×10^-5

To elaborate: We know that hf=LSf; Sf = 3.33×10^-5.

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