A.How many times
B.How much water
C.How long
D.How length
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A.Late as it was
B.As it was late
C.Since it was late
D.Because of its late
A.before
B.after
C.when
D.until
A.put out
B.put on
C.take off
D.take in
A.in which
B.by which
C.through which
D.from which
A.in which
B.on which
C.to which
D.by which
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“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The condensers located in various stages of a flash evaporator are cooled by（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
（） is not installed on the main switchboar.
The main purpose of port State control is not to（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.