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
您可能感興趣的試卷
你可能感興趣的試題
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
A.cooling
B.chemical action
C.smothering
D.inerting the air
最新試題
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
Foam extinguishes a fire by（）.
Firefighting foam is only effective when the foam（）.
How do you operate a portable CO2 fire extinguisher?（）.
Fire hose couplings（）.
How does foam extinguish an oil fire?（）.
Good housekeeping on a vessel prevents fires by（）.
Fire hose should be washed with（）.
Fire may be spread by which means?（）.