A Carnot engine whose low-temperature reservoir is at -90.0oC has an efficiency of 40.0%. An engineer is

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A Carnot engine whose low-temperature reservoir is at -90.0oC has an efficiency of 40.0%. An engineer is assigned the problem of increasing this to 45.0%.
(a) By how many Celsius degrees must the temperature of the high-temperature reservoir be increased if the temperature of the low-temperature reservoir remains constant?
(b) By how many Celsius degrees must the temperature of the low-temperature reservoir be decreased if the temperature of the high-temperature reservoir remains constant?
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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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