單項選擇題The collision bulkhead shall be of（）.
A.water-tight
B.air-tight
C.fire-tight
D.oil-tight
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1.單項選擇題The deck control valve to be（）after being repaired.
A.moved and fitting again
B.removed and refitted
C.reproduced and put on again
D.return and attached again
2.單項選擇題The disinfection of various compartment in a vesel by filling them with a gaseous agents to destroy rats ect.means（）.
A.fire drills
B.washing and cleaning
C.fumigation
D.quarantine
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The ISM code is part of（）.
題型：單項選擇題
Which of the following shall not the officers in charge of the navigational watch do?（）
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Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
題型：單項選擇題
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
題型：單項選擇題
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題型：單項選擇題