单项选择题
If a fixed foam firefighting system on a ship is not of the premix type，a sample of the foam liquid must be tested by（）.
A.a Coast Guard inspection officer
B.the safety man aboard the unit
C.the designated person in charge of the unit
D.the manufacturer or his authorized representative
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相关考题
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单项选择题
Fire protection regulations for towing vessels require that all crew members participate in drills and receive instruction at least once a month. Who is responsible for ensuring that this takes place?（）
A.The Officer in Charge，Marine Inspection
B.The Master，or person in charge of the vessel
C.The vessel's owner or manager
D.The company's port captain or port engineer -
单项选择题
Before being certified by the American Bureau of Shipping，anchor chain must undergo（）.
A.USCG inspection
B.a breaking test
C.x-ray inspection
D.spectroanalysis -
单项选择题
As soon as the ship is berthed，you should lower the gangway，stretch a net（）it，and adjust it to the rise and fall of the tides so that personnel may embark or disembark in safety．
A.over
B.besides
C.near
D.underneath
