問題詳情

34. What is the measure to indicate whether the piston rings and valves are sealing tightly？
(A) Scavenging pressure
(B) Maximum cycle pressure
(C) Mean effective pressure
(D) Compression pressure

參考答案

答案：D
難度：非常簡單1
統計：A(0),B(0),C(0),D(2),E(0)