Questions from Thermal Fluid Science


Q: A rigid, 20-L steam cooker is arranged with a

A rigid, 20-L steam cooker is arranged with a pressure relief valve set to release vapor and maintain the pressure once the pressure inside the cooker reaches 150 kPa. Initially, this cooker is filled...

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Q: The water is stirred at the same time that it is being

The water is stirred at the same time that it is being heated. Determine the minimum entropy change of the heat-supplying source if 100 kJ of work is done on the water as it is being heated.

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Q: A 0.55-ft3 well-insulated rigid can initially

A 0.55-ft3 well-insulated rigid can initially contains refrigerant-134a at 90 psia and 30°F. Now a crack develops in the can, and the refrigerant starts to leak out slowly, Assuming the ref...

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Q: Determine the total heat transfer for the reversible process 1-3

Determine the total heat transfer for the reversible process 1-3 shown in Fig. P8–57.

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Q: Determine the total heat transfer for the reversible process 1-2

Determine the total heat transfer for the reversible process 1-2 shown in Fig. P8–58.

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Q: Consider two solid blocks, one hot and the other cold,

Consider two solid blocks, one hot and the other cold, brought into contact in an adiabatic container. After a while, thermal equilibrium is established in the container as a result of heat transfer....

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Q: Define the isothermal, isobaric, and isochoric processes.

Define the isothermal, isobaric, and isochoric processes.

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Q: Is it possible to create entropy? Is it possible to destroy

Is it possible to create entropy? Is it possible to destroy it?

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Q: An adiabatic pump is to be used to compress saturated liquid water

An adiabatic pump is to be used to compress saturated liquid water at 10 kPa to a pressure to 15 MPa in a reversible manner. Determine the work input using (a) entropy data from the compressed liquid...

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Q: Ten grams of computer chips with a specific heat of 0.

Ten grams of computer chips with a specific heat of 0.3 kJ/kg·K are initially at 20°C. These chips are cooled by placement in 5 grams of saturated liquid R-134a at –40°C. Presuming that the pressure r...

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