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state, the piston is free to move. Now air at 500 kea and 70°C is allowed to enter the cylinder from a supply line until the volume increases by 50 percent. Using constant specific heats at

state, the piston is free to move. Now air at 500 kea and 70°C is allowed to enter the cylinder from a supply line until the volume increases by 50 percent. Using constant specific heats at

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A 0.40-m3 insulated piston-cylinder device initially contains 1.3 kg of air at 30°C. At this state, the piston is free to move. Now air at 500 kPa and 70°C is allowed to enter the cylinder from a supply line until the volume increases by 50 percent. Using constant specific heats at room temperature, determine the entropy generation.
Transcribed Image Text:A 0.40-m3 insulated piston-cylinder device initially contains 1.3 kg of air at 30°C. At this state, the piston is free to move. Now air at 500 kPa and 70°C is allowed to enter the cylinder from a supply line until the volume increases by 50 percent. Using constant specific heats at room temperature, determine the entropy generation.
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