單項(xiàng)選擇題

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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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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