Which best describes heat engine?
A. An engine that extracts useful work by transferring heat from a cold reservoir to a hot one.
B. Heat is transferred from a cold reservoir to a hot, expanding work by this engine.
C. Anything that propels the vehicle forward.
D.An engine that extracts useful work by moving heat from a hot reservoir to a cold reservoir
Answers & Comments
Answer:
A
Explanation:
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Answer:
B.
Explanation:
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