Air at 257C and 400 kPa is contained in a pistoncylinder device. The air expands adiabatically until

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Air at 257°C and 400 kPa is contained in a pistoncylinder device. The air expands adiabatically until the pressure is 100 kPa. Determine the mass of air needed to produce maximum work of 1000 kJ. Assume air has constant specific heats evaluated at 300 K.
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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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