A.allowing better access in an emergency
B.eliminating potential fuel sources
C.eliminating trip hazards
D.improving personnel qualifications
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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
A.should be worn while fighting a fire
B.can be used in atmospheres deficient in oxygen
C.filter contaminants from air that is to be breathed
D.may be substituted for a self-contained breathing apparatus
A.8the heat of a fire melting the link
B.a break-glass and pull-cable system
C.electrical controls on the bridge
D.a mechanical arm outside the vent duct
A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
A.it provides cooling as a secondary effect
B.works well on extinguishing electrical fires
C.can be used to combat combustible metal fires
D.All of the above
最新試題
Fire extinguishers of sizes III，IV，and V are designated as（）.
How does foam extinguish an oil fire?（）.
Fixed CO2 systems would not be used on crew’s quarters or（）.
Fire may be spread by which means?（）.
Halon extinguishes a fire by（）.
CO2 cylinders，which protect the small space in which they are stored must（）.
High-velocity fog（）.
How is the external flotation bladder of an immersion suit inflated?（）
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.
Good housekeeping on a vessel prevents fires by（）.