Answer
$8.3\%$
Work Step by Step
Maximum efficiency is
$\eta_{max}=\eta_{carnot}=1-\frac{T_{C}}{T_{H}}=1-\frac{(273+5)\,K}{(273+30)\,K}$
$\approx0.083=8.3\%$
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 596: 43
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