Question

explain the process of heat engine

Answer 1

Hey!!This is your answer
A heat engine is a system that converts heat or thermalenergy—and chemical energy—to mechanical energy, which can then be used to do mechanical work. ... During this process, a lot of heat is lost to the surroundings and so cannot be converted to work.

Answer 2

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 during this process a lot of heat is lost to the surroundings and so can not be converted to work.