单项选择题

At the earliest indication of fire aboard your vessel, you must FIRST（）.

A.locate the fire
B.determine which type of fire is burning
C.sound the alarm
D.fight the fire

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单项选择题

The device used for preventing the passage of flames into enclosed spaces is called a （）.

A.flame relief valve
B.flame stopper
C.safety valve
D.flame arrester

单项选择题

Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect （）.

A.condensation in the fuel tank
B.a crack in the hull portion of the fuel tank
C.a load of bad fuel
D.contamination from the saltwater flushing system

单项选择题

Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by （）.

A.sounding the tank
B.waiting for the vessel to list
C.examining tank boundaries
D.checking fuel oil strainers