14.4 - Conclusion and Summary
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Practice Questions
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What is the conservation of mass?
💡 Hint: Think about a balloon - if you inflate it, the mass is the same before and after.
Give an example of an intensive property.
💡 Hint: These properties don’t change if you cut a piece out.
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Interactive Quizzes
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What does conservation of energy imply in a closed system?
💡 Hint: Consider how a battery converts chemical to electrical energy.
Is mass conserved in fluid systems?
💡 Hint: Think about whether you lose mass when moving it around.
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Challenge Problems
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A tank has inflow and outflow rates of 10 L/min and 8 L/min respectively. Calculate the change in water level in the tank over 5 minutes assuming no leaks.
💡 Hint: Consider net inflow over the time period.
Using the Reynolds transport theorem, explain how you would assess fluid flow in a hatchery system with varying inflow/outflow rates.
💡 Hint: Think about how inflow and outflow directly impacts conservation laws.
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