問題詳情

18. Which type of bearing may be lubricated by seawater in a main propulsion shafting system?
(A) Thrust bearing
(B) Ball bearing 共 7 頁，第 3 頁
(C) Crosshead bearing
(D) Stern bearing

參考答案

答案：[無官方正解]
難度：非常困難0
統計：A(2),B(1),C(0),D(0),E(0)