單項(xiàng)選擇題It is necessary to secure the forced ventilation to a compartment where there is a fire to（）.

A.allow the exhaust fans to remove smoke
B.extinguish the fire by carbon monoxide smothering
C.prevent additional oxygen from reaching the fire
D.protect fire fighting personnel from smoke


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1.單項(xiàng)選擇題At the required fire drill conducted aboard a vessel，all persons must report to their stations and demonstrate their ability to perform the duties assigned to them（）.

A.by the toolpusher
B.in the station bill
C.by the person conducting the drill
D.at the previous safety meeting

2.單項(xiàng)選擇題Carbon dioxide as a fire fighting agent has which advantage over other agents?（）.

A.It causes minimal damage
B.It is safer for personnel
C.It is cheaper
D.It is most effective on a per unit basis

4.單項(xiàng)選擇題Ordnance exercise is（）.

A.Naval firing practice
B.Fire drills
C.Crew drills
D.Survival drills

5.單項(xiàng)選擇題I’m on fire and have dangerous cargo on board.The most emergent assistance in this case would be（）.

A.life boat
B.helicopter
C.fire-fighting
D.medicine