Problem: In each cycle a heat engine rejects 300 J of heat to the low temperature reservoir and performs 1200 J of work. What is the thermal efficiency of the engine?(a)  80.0%(b) 75.0%(c) 70.0%(d) 62.5%(e) 33.3%(f) none of the above answers

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Problem Details

In each cycle a heat engine rejects 300 J of heat to the low temperature reservoir and performs 1200 J of work. What is the thermal efficiency of the engine?

(a)  80.0%

(b) 75.0%

(c) 70.0%

(d) 62.5%

(e) 33.3%

(f) none of the above answers

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