14.3.1 - Defining Influx and Outflux
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Practice Questions
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Define an extensive property and give an example.
💡 Hint: Think about properties that change with size or amount.
What is an intensive property? Provide an example.
💡 Hint: These properties are characteristic of the substance itself.
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Interactive Quizzes
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Which of the following is an extensive property?
💡 Hint: Think about properties that vary with quantity.
True or False: The specific energy is an example of an extensive property.
💡 Hint: Recall the definition of intensive properties.
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Challenge Problems
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A tank has an influx of 10 m³/s and an outflux of 10 m³/s. If the tank's cross-sectional area is constant and does not deform, discuss what happens to the mass within the tank over time.
💡 Hint: Think about how constant volume inflow and outflow affect mass.
Derive the mathematical expression for the influx of a property B, given its dependence on cross-sectional area A and fluid velocity V.
💡 Hint: Consider the definitions of flow and property influx in terms of area and velocity.
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