Practice Conclusion And Summary (17.6) - Incompressible Flow - Fluid Mechanics - Vol 1

Practice: Conclusion and Summary

Lesson 17.6Incompressible Flow

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9 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the Mach number threshold for treating flow as incompressible?
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Consider the speed of sound as a reference point.
Question 2.
Define control volume.
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Think about how we isolate parts of a system for analysis.
3Question 3.
What is the definition of incompressible flow?
- A flow with significant density variation
- Flow with a Mach number above 0.3
- Flow with negligible density variation
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Think about what Mach number relates to.
4Question 4.
True or False: The Reynolds Transport Theorem relates mass change within a control volume to mass flow rates crossing its boundaries.
- True
- False
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Consider the importance of conservation laws.
Question 5.
In a pipeline system with varying diameters, explain how the velocity changes and how you would apply the mass conservation principle to find outflow rates.
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Consider how area and velocity interact under mass conservation.
Question 6.
A fluid has an entrance flow rate of 3 m³/s and exit flow rate of 2.5 m³/s. What is the change in storage within the control volume over a time interval of 5 seconds?
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Remember to apply the mass conservation principle to calculate change in storage.

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