問題詳情

35. A heat pump does work W to bring heat QL from the cold outside (at constanttemperature TL) and deliver heat QH to warm the interior at constant temperatureTH. Which of the following is wrong?
(A) The coefficient of performance COP =


(B) W= QH-QL
(C) COP <1.0
(D) Ideally COP =


(E) QH >QL 

參考答案

答案:C
難度:計算中-1
書單:沒有書單,新增