問題詳情
40.In a diesel engine closed cooling system, the flow of fresh water through the fresh water and thelube oil coolers is controlled by the .
(A)speed of the engine
(B)speed of the pump impeller
(C)automatic temperature regulator
(D)suction pressure regulator
參考答案
答案：C
難度：簡單0.8
統計：A(0),B(2),C(20),D(3),E(0)