試題詳解

8. According to flie laws of tiiermodynamics, which of the following statements is correct?
(A) Thermodynamic perpetual machine is possible.
(B) Heat always flows from a colder to a hotter object.
(C) The entropy of an isolated system never decreases.
(D) All thermodynamic processes are reversible.
(E) Work done on a system is always greater than the heat added.