Practice Implications Of Mass Conservation (4.3.2)

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6 sample questions

Question 1.
What is the principle of mass conservation?
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Think about how we can balance mass in a system.
Question 2.
Define the continuity equation.
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How do you relate inflow and outflow of mass?
3Question 3.
What does the continuity equation express?
- A. Mass can be created.
- B. Mass must balance input and output.
- C. Mass can be destroyed.
- D. Mass remains unchanged.
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What principle governs the flow in closed systems?
4Question 4.
True or False: The divergence of mass flux is always zero in compressible flow.
- True
- False
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Consider how compressible flow behaves in terms of density changes.
Question 5.
A fluid flows through a pipe that begins with a known density and velocity. If the diameter decreases, calculate the new velocity using mass conservation principles.
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Use the relation of area and velocity for fluids.
Question 6.
Describe how mass conservation principles can be utilized in designing a water distribution system.
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Consider the implications of pressure and flow rate in your design.

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