9th Edition

ISBN: 9781266657610

Author: CENGEL

Publisher: MCG CUSTOM

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Chapter 9.12, Problem 202FEP

An ideal Brayton cycle has a net work output of 150 kJ/kg and a back work ratio of 0.4. If both the turbine and the compressor had an isentropic efficiency of 85 percent, the net work output of the cycle would be

(a) 74 kJ/kg
(b) 95 kJ/kg
(c) 109 kJ/kg
(d) 128 kJ/kg
(e) 177 kJ/kg

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Chapter 9.12, Problem 201FEP

Chapter 9.12, Problem 203FEP

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Chapter 9 Solutions

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Ch. 9.12 - What are the air-standard assumptions?Ch. 9.12 - What is the difference between air-standard...Ch. 9.12 - Prob. 3P Ch. 9.12 - How does the thermal efficiency of an ideal cycle,...Ch. 9.12 - How are the combustion and exhaust processes...Ch. 9.12 - What does the area enclosed by the cycle represent...Ch. 9.12 - Prob. 7P Ch. 9.12 - Can the mean effective pressure of an automobile...Ch. 9.12 - What is the difference between spark-ignition and...Ch. 9.12 - Prob. 10P

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An ideal Brayton cycle has a net work output of 150 kJ/kg and a back work ratio of 0.4. If both the turbine and the compressor had an isentropic efficiency of 85 percent, the net work output of the cycle would be (a) 74 kJ/kg (b) 95 kJ/kg (c) 109 kJ/kg (d) 128 kJ/kg (e) 177 kJ/kg

Solution Summary: The author explains the net work output of the cycle and the back work ratio for the compressors and turbines.

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