A.Fires in electrical equipment
B.Flammable oils and greases
C.Class A fires in ordinary combustibles
D.Materials containing their own oxygen
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A.cooling
B.smothering
C.shielding of radiant heat
D.breaking the chain reaction
A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface
A.base of the equipment
B.top of the equipment
C.power source
D.source of the fire
A.allowing better access in an emergency
B.eliminating potential fuel sources
C.eliminating trip hazards
D.improving personnel qualifications
A.sweep flames away with water spray
B.shut off the leak
C.use a chemical foam fire extinguisher
D.call the local fire department
最新試題
Fixed CO2 systems would not be used on crew’s quarters or（）.
Foam is a very effective smothering agent and（）.
Firefighting foam is only effective when the foam（）.
CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
Fire extinguishing agents used on Class C fires must be（）.
Fire hose should be washed with（）.
Good housekeeping on a vessel prevents fires by（）.
Fire and abandon ship stations and duties may be found on the（）.
High-velocity fog（）.
Flame screens are used to（）.