Answer
$T_C =7^oC$
Work Step by Step
We have
$T_H = 427^oC = 700K$
$\eta = 1- \frac{T_C}{T_H}$
$ 60\% = 0.6 =1- \frac{T_C}{700K}$
$ T_C = 0.4 *700K =280^oC$
$T_C =7^oC$
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
by Knight, Randall D.
Published by
Pearson
ISBN 10:
0133942651
ISBN 13:
978-0-13394-265-1
Chapter 21 - Heat Engines and Refrigerators - Exercises and Problems - Page 595: 24
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