A.Manual fire detection system
B.Automatic fire detection system
C.Smoke detection system
D.Watchman's supervisory system
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A.Foam
B.CO2
C.Dry chemical
D.Water fog
A.Alcohol foam
B.Dry chemical
C.Chemical foam
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A.Foam
B.Carbon dioxide
C.Dry chemical
D.Water fog
A.CO2
B.Foam
C.Dry Chemical
D.Water
A.Dry chemicals
B.CO2
C.Foam
D.All the above
最新試題
When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required?（）
When using a high-velocity fog stream in a passageway，the possibility of a blow back must be guarded against. Blow back is most likely to occur when（）.
When must a dry chemical fire extinguisher be recharged?（）
Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
Which extinguishing agent is best for use on a magnesium fire?（）
Which item is NOT included in the fireman’s outfit on a cargo vessel?（）
When towing astern what equipment should be stowed ready for use near the towline?（）
Where should life jackets be stowed?（）.
Which space(s) on your cargo vessel must have a fire detection system?（）