A Carnot engine has an efficiency of 0.40. The Kelvin temperature of its hot reservoir is quadrupled,

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A Carnot engine has an efficiency of 0.40. The Kelvin temperature of its hot reservoir is quadrupled, and the Kelvin temperature of its cold reservoir is doubled. What is the efficiency that results from these changes?
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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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