Question

Explain heat engine.​

Answer 1

Answer:

In thermodynamics and engineering, a heat engine is a system that converts heat or thermal energy—and chemical energy—to mechanical energy, which can then be used to do mechanical work. It does this by bringing a working substance from a higher state temperature to a lower state temperature.

Explanation:

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Answer 2

Answer:

In thermodynamics and engineering, a heat engine is a system that converts heat or thermal energy—and chemical energy—to mechanical energy, which can then be used to do mechanical work. ... The working substance can be any system with a non-zero heat capacity, but it usually is a gas or liquid.....

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