A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
您可能感興趣的試卷
你可能感興趣的試題
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
A.smothering the burning material
B.chemical combination with burning material
C.absorbing the burning material
D.organic destruction of the burning material
A.shutting off the air supply
B.cooling the fuel to below ignition temperature
C.dispersing the fuel
D.removing the source of ignition
A.utilizing carbon dioxide or dry chemical fire extinguishers
B.utilizing soda and acid fire extinguishers
C.blowing the flames out
D.letting it burn itself out
最新試題
Halon extinguishes a fire by（）.
Halon from extinguishers used on a class B fire，should be directed（）.
Foam extinguishes a fire by（）.
Fire may be spread by which means?（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Foam extinguishes a fire by（）.
Fire and abandon ship stations and duties may be found on the（）.
Firefighting foam is only effective when the foam（）.
Flames from small leaks of LFG may be extinguished by（）.
Fusible-link fire dampers are operated by（）.