Multiple Choice
During each cycle of its operation, a certain gasoline engine consumes 500 joules of chemical energy, while exhausting 300 joules of thermal energy to the environment. The energy efficiency of this heat engine is
A) 67%.
B) 40%.
C) 60%.
D) 20%.
E) None of the above.
Correct Answer:

Verified
Correct Answer:
Verified
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