Air is throttled from 50C and 800 kPa to a pressure of 200 kPa at a rate

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Air is throttled from 50°C and 800 kPa to a pressure of 200 kPa at a rate of 0.5 kg/s in an environment at 25°C. The change in kinetic energy is negligible, and no heat transfer occurs during the process. The power potential wasted during this process is
(a) 0
(b) 0.20 kW
(c) 47 kW
(d) 59 kW
(e) 119 kW
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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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