試題詳解

11. A perfect Carnot engine operates between the temperatures of 300K and 700 K, drawing 60 kJ of heat from the 700 K reservoir in each cycle. How much heat is dumped into the 300 K reservoir in each cycle?
(A) 26 kJ
(B) 30kJ
(C) 34kJ
(D) 38 kJ
(E) 42 kJ