单项选择题

Where should life jackets be stowed?（）.

A.In the forepeak
B.In the wheelhouse
C.Throughout the accommodation spaces
D.In locked watertight and fireproof containers on or above the main deck

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单项选择题

Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.

A.coaming
B.alarm
C.drain
D.fire sensor

单项选择题

When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）

A.64 cubic feet
B.35 cubic feet
C.100 gallons
D.500 liters

单项选择题

When using carbon dioxide to fight a fire on a bulkhead，the CO₂ should be applied（）.

A.first to the bottom of the flaming area，sweeping from side to side，and following the flames upward
B.in a circular motion from the middle of the bulkhead outward
C.to the top of the flaming area，sweeping from side to side，and working toward the bottom
D.in an up-and-down motion from one side of the bulkhead to the other