Practice Flow Classifications And Control Volumes (20.6.2) - Fluid Mechanics for Civil and Mechanical Engineering

Practice: Flow Classifications and Control Volumes

Lesson 20.6.2Fluid Mechanics for Civil and Mechanical Engineering

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8 questions

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2 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
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a control volume?
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Think about where we observe fluid behavior.
Question 2.
Name two types of control volumes.
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Consider whether the control volume changes position.
3Question 3.
What is the difference between steady and unsteady flow?
- Steady: constant conditions; Unsteady: changing conditions
- Steady: changing conditions; Unsteady: constant conditions
- Steady: no flow; Unsteady: flow
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Think about whether conditions stay the same or change over time!
4Question 4.
True or False: Body forces are applied at the surface of a control volume.
- True
- False
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Consider the nature of forces acting within a fluid context.
Question 5.
Create a comprehensive analysis of forces acting on a bridge due to flow changes caused by a flood, using both steady and unsteady flow approaches.
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Think about the implications of shifting water levels and their effects on the bridge.
Question 6.
Derive expression for momentum flux correction factor in a pipe flow with varying velocity profile and discuss its engineering significance.
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Recall integrating over cross-sectional areas to determine average quantities.

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