Practice Hydraulic Jumps (16.4) - Open Channel Flow III - Fluid Mechanics

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9 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What defines supercritical flow?
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Think about the relationship between velocity and wave speed.
Question 2.
What happens to energy during a hydraulic jump?
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Consider how water behaves in turbulent conditions.
3Question 3.
What is the Froude number equal to during critical flow?
- Less than 1
- Equal to 1
- Greater than 1
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Recall the definitions of flow conditions.
4Question 4.
True or False: Hydraulic jumps result in an increase in flow speed.
- True
- False
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Remember the flow characteristics of hydraulic jumps.
Question 5.
A rectangular channel experiences a hydraulic jump where the upstream depth is 3.5m with a velocity of 6 m/s. Calculate the downstream depth and velocity.
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Link upstream Froude number to downstream conditions using energy conservation.
Question 6.
Design a spillway that utilizes hydraulic jumps effectively. Discuss energy considerations and downstream effects.
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Think about flow rates and material choices.

5 more questions in this section. Enroll free to practise them all.