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3 cards from this section. Quick, good the night before a test.
Define specific energy in your own words.
Think about how energy is expressed in relation to weight.
What does a Froude number of less than 1 indicate?
Consider what happens with slower-moving water.
What does a Froude number greater than 1 indicate?
Think about the state of flow rate to depth ratio.
True or False? Specific energy decreases when flow depth increases.
Consider how potential energy changes with height.
A trapezoidal channel has a bottom width of 3m and side slopes of 1:3. If the discharge is 5m³/s, find the critical depth.
You might need to apply geometric properties to adjust the width for calculations.
Discuss the implications of achieving supercritical flow in a channel designed for subcritical flow.
Focus on how energy and speed interplay differently in varied flow conditions.
5 more questions in this section. Enroll free to practise them all.
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