Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 15 - The Laws of Thermodynamics - Misconceptual Questions: 9


Statements A and C.

Work Step by Step

Use equation 15–5 to compute the upper limit on the efficiency. $$e_{ideal}=1-\frac{T_{low}}{T_{high}} = \frac{T_{high}- T_{low}}{T_{high}}$$ Statement A, increasing the temperature difference, raises the theoretical efficiency. The process described in statement C keeps the temperature difference the same and decreases the high temperature. This also raises the theoretical efficiency.
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