A car engine takes atmospheric air in at 20oC, no fuel, and exhausts the air at 20oC

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A car engine takes atmospheric air in at 20oC, no fuel, and exhausts the air at –20oC producing work in the process. What do the first and the second laws say about that?

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Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

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Question Posted: Dec 04, 2009 12:21 AM

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A car engine takes atmospheric air in at 20oC, no fuel, and exhausts the air at 20oC

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WQH Q change in energy of air OK Energy Eq ...View the full answer

Fundamentals of Thermodynamics

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