单项选择题
Where is the cooling water from the compensating tank in the cooling water system of main engine lead to?（）
A.discharge side of the centrifugal pump
B.suction side of the centrifugal pump
C.the lowest point of the cooling water system
D.inlet of the main engine
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相关考题
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From viewpoint of practice, it is sometimes important to detect abnormal happenings in the running gear by（）
A.a keen sense of hearing
B.rich theory
C.communicating ability with others
D.repetition work -
单项选择题
If two fuel service tanks are installed, the empty tank should be pumped up directly it is emptyWhat is the meaning of “directly” in the sentence above?（）
A.at once
B.as soon as
C.quickly
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During tours of inspection in the machinery space, you found a fire on a running generator, what should you do first?（）
A.inform chief engineer officer immediately
B.stop the generator
C.let the duty officer in bridge determine how to do
D.wait for help
