Air at 20C and 5 atm is throttled by a valve to 2 atm. If the valve

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Air at 20°C and 5 atm is throttled by a valve to 2 atm. If the valve is adiabatic and the change in kinetic energy is negligible, the exit temperature of air will be
(a) 10°C (d) 20°C
(b) 14°C (e) 24°C
(c) 17°C

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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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Question Posted: Feb 13, 2010 02:45 AM

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Air at 20C and 5 atm is throttled by a valve to 2 atm. If the valve

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Thermodynamics An Engineering Approach

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