Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 19 - Section 19.3 - Applications of the Second Law - Example - Page 351: 19.2


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Work Step by Step

We first solve for the combined efficiencies of the engines: $= 1-\frac{T_c}{T_h}=1-\frac{313K}{1723K}=.82$ We now find the efficiencies of the independent engines: $e_{gas}=1-\frac{773K}{1723K}=.55$ $e_{steam}=1-\frac{313K}{773K}=.6$
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