During Each Cycle of Its Operation, a Certain Heat Engine

question 73

Multiple Choice

During each cycle of its operation, a certain heat engine does 40 joules of work while exhausting 160 joules of thermal energy to the environment. The energy efficiency of this heat engine is

• A) 80%.
• B) 75%.
• C) 25%.
• D) 20%.
• E) None of the above.

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Definitions:

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Pure Rate

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Theoretical Rate

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