Practice Hydraulic Engineering (1) - Non-Uniform Flow and Hydraulic Jump (Contd.)

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6 sample questions

Question 1.
What is a hydraulic jump?
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Think about changes in flow similar to waves.
Question 2.
What is the Froude number?
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Consider velocity and wave speed.
3Question 3.
What does a hydraulic jump signify?
- A gradual change in flow
- A sudden change in water depth
- Constant water flow
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Think of 'jumping' from one depth to another.
4Question 4.
True or False: A Froude number greater than 1 indicates subcritical flow.
- True
- False
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Review the definitions of flow types.
Question 5.
A channel has a depth of 3 m with a velocity of 4 m/s. Calculate the Froude number and determine if a hydraulic jump will occur downstream given the channel's slope.
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Use the Froude formula.
Question 6.
Design a sluice gate that ensures supercritical flow upstream. Given a velocity of 5 m/s, determine the acceptable depth for flow using the Froude number.
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Critical depth calculations can guide the sluice gate design.

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