GATE CE 2022 Set 2 — Question 56
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Water Resources Engineering → Hydraulic Jump & Varied Flow → Energy Loss in Jump
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Question
A hydraulic jump takes place in a wide rectangular channel at a point where the upstream depth is (just before the jump). If the discharge in the channel is and the energy loss in the jump is , then the Froude number computed at the end of the jump is ___________. (round off to two decimal places)
(Consider the acceleration due to gravity as .)
(Consider the acceleration due to gravity as .)
Correct answer
0.2 to 0.41
Solution
1.Given Data:
- Width,
- Discharge,
- Upstream depth,
- Energy loss,
- Gravity,
- By trial and error, if :
- So, .
- Velocity,
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