Making a heat engine that uses its exhaust heat to do work is restricted according to which principle?

second law of thermodynamics

conservation of matter

first law of thermodynamics

conservation of energy

i think its A

Question

Making a heat engine that uses its exhaust heat to do work is restricted according to which principle?

second law of thermodynamics

conservation of matter

first law of thermodynamics

conservation of energy

i think its A

imqwerty · Answer

Why do you think that it's A?

jennylove · Answer

im honestly not sure, i just guessed

jennylove · Answer

the second law however does state that processes that involve the transfer or conversion of heat energy are irreversible