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A heat engine absorbs 20 kJ of heat from a source at 500°C and rejects 10 kJ of heat to a sink at 25°C. The maximum efficiency of the heat engine is? 61% O 95% 50%

A heat engine absorbs 20 kJ of heat from a source at 500°C and rejects 10 kJ of heat to a sink at 25°C. The maximum efficiency of the heat engine is? 61% O 95% 50%

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A heat engine absorbs 20 kJ of heat from a source at 500°C and rejects 10 kJ of heat to a sink at 25°C. The maximum efficiency of the heat engine is? 61% O 95% O 50%
Transcribed Image Text:A heat engine absorbs 20 kJ of heat from a source at 500°C and rejects 10 kJ of heat to a sink at 25°C. The maximum efficiency of the heat engine is? 61% O 95% O 50%
Choose all that apply. A heat engine is a device that... Rejects waste heat to a low temperature sink. Operates on a cycle. Converts heat into work. Receives heat from a high temperature source.
Transcribed Image Text:Choose all that apply. A heat engine is a device that... Rejects waste heat to a low temperature sink. Operates on a cycle. Converts heat into work. Receives heat from a high temperature source.
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