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Fluid flow before the hydraulic jump is ______

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+1 vote
in Fluid Mechanics by (118k points)
Fluid flow before the hydraulic jump is ______

(a) Normal

(b) Rough

(c) Smooth

(d) Zero

This question was posed to me in class test.

My doubt is from Hydraulic Jump topic in section Non Uniform Flow in Channels of Fluid Mechanics

1 Answer

+2 votes
by (362k points)
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Best answer
The correct choice is (c) Smooth

Best explanation: Hydraulic jump is not possible when the initial speed is less than the critical speed. There is a transition that is created during the change. Fluid flow before the hydraulic jump is typically smooth turbulent flow.

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