Question

One consequence of the third law of thermodynamics is that A. heat engines have efficiencies less than 100 percent. B. in some energy conversions, energy is not conserved. C. the work a heat engine produces is less than the waste heat it produces. D. engines cannot discharge waste heat.

Answer 1

Most likely the answer A

Answer 2

The answer is: A. Heat engines have efficiencies of less than 100 percent