Question

What is heat engine?​

Answer 1

Answer:

In thermodynamics and engineering, a heat engine is a system that converts heat or thermal 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.

Answer 2

Answer:

heat enengy is a system that convert heat or thermal energy to mechanical energy which can used to do mechanical work