問題詳情

40. Before starting up the engine, what shall be ensured for the turning gear?
(A) Detach the turning gear
(B) Engage the turning gear
(C) Detain the turning gear
(D) Delay the turning gear

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)