問題詳情

38. When can the cover of the crank case of a diesel engine be opened for investigation?
(A) When the engine is running.
(B) At least fifteen minutes after the engine is stopped.
(C) When the engine is operated at the overloaded condition.
(D) The cover of the crank case can only be opened during the sea trial.

參考答案

答案:B
難度:適中0.518519
統計:A(3),B(14),C(3),D(7),E(0)

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