A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface
您可能感興趣的試卷
你可能感興趣的試題
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
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
最新試題
Firefighting foam is only effective when the foam（）.
Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.
Fire alarm system thermostats are actuated by（）.
Halon extinguishes a fire by（）.
CO2 cylinders，which protect the small space in which they are stored must（）.
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
How do you operate a portable CO2 fire extinguisher?（）.
Foam extinguishes a fire by（）.
Gas masks（）.
Except in rare cases，it is impossible to extinguish a shipboard fire by（）.