阿摩線上測驗
38.For a ship with direct-connected low-speed propulsive engine, which is usually the dominant source of
torque 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
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統計： A(11), B(13), C(63), D(8), E(0) #1188786
統計： A(11), B(13), C(63), D(8), E(0) #1188786
