Question

According to the first law of thermodynamics, the amount of work done by a heat engine equals the amount of

a. work done on the engine.
b. waste heat it produces.
c. thermal energy added to the engine minus the waste heat.
d. thermal energy added to the engine plus the waste heat.

Answer 1

C. Is the correct answer i took the test already.

Answer 2

c. thermal energy added to the engine minus the waste heat.

The law exemplifies conservation of energy.