問題詳情
39. Of all the waste heat available from internal-combustion engines, the heat in which flow has the largest availability and can be easily used to produce usable steam?
(A) Exhaust
(B) Cooling water
(C) Lube oil
(D) Intake air
參考答案
答案：A
難度：簡單0.734694
統計：A(36),B(6),C(6),D(0),E(0)