Practice Boundary Conditions And Surroundings (5.3.2)

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10 questions

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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define a 'system' in fluid mechanics.
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Think about fixed boundaries and interactions.
Question 2.
What is a control volume?
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Consider it as a box in space through which fluid flows.
3Question 3.
What defines a 'system' in fluid mechanics?
- A fixed volume of any material
- The entire environment of fluid flow
- A specified quantity of fluid for analysis
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Consider the volume that we're studying.
4Question 4.
True or False: A control volume can only have fixed boundaries.
- True
- False
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Think about flowing systems.
Question 5.
Design an experiment to analyze the drag and lift forces on a model aircraft in a wind tunnel. What considerations should be made during the design?
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Think about how real-life aircraft are tested and the kind of data required.
Question 6.
Calculate the drag force acting on a bird of mass 2 kg when winds at 30 km/h are present. Assume a drag coefficient of 0.5 and cross-sectional area of 0.1 m².
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Make sure to convert km/h to m/s for the equation!

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