Question
A heat engine absorbs 848 J of energy per
cycle from a high-temperature source. The
engine does 417 J of work during each cycle,
expelling 431 J as heat.
What is the engine’s efficiency?
cycle from a high-temperature source. The
engine does 417 J of work during each cycle,
expelling 431 J as heat.
What is the engine’s efficiency?
Answers
engine’s efficiency=A/Q =417/848=0.49
or 49%
or 49%
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