問題詳情
38.For a ship with direct-connected low-speed propulsive engine, which is usually the dominant source oftorque variation for the shafting system?
(A)Engine power variation
(B)Axial displacement of thrust bearing
(C)Torsional vibration of propulsive shaft
(D)Longitudinal vibration of engine
參考答案
答案：C
難度：適中0.62069
統計：A(3),B(4),C(18),D(3),E(0)