A.kept in nonmetal containers
B.discarded as soon as possible
C.cleaned thoroughly for reuse
D.kept in the paint locker
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A.is a finer，more diffuse water spray than low-velocity fog
B.requires that the water pressure be no greater than 60 psi
C.produces an effective fog pattern no more than 6 feet beyond the nozzle
D.extinguishes a fire by absorbing heat and reducing the supply of oxygen
A.crewman's duty list
B.Certificate of Inspection
C.shipping articles
D.muster list
A.it is impractical to locate them outside
B.there is also a control valve outside
C.the CO2 cylinders are also in the space
D.an automatic heat-sensing trip is installed
A.4Certificate of Inspection
B.Certificate of Seaworthiness
C.Classification Certificate
D.Certificate of Registry
A.base of the equipment
B.top of the equipment
C.power source
D.source of the fire
A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above
A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
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
A.smoke sensors
B.the difference in thermal expansion of two dissimilar metals
C.pressure loss due to air being heated
D.an electric eye which actuates when smoke interferes with the beam
A.Point the horn down
B.Turn cylinder upside-down
C.Break the rupture disc
D.Pull pin，squeeze grip
最新試題
High-velocity fog（）.
Fire hose should be washed with（）.
Gas masks（）.
Fire alarm system thermostats are actuated by（）.
Good housekeeping on a vessel prevents fires by（）.
Fire may be spread by which means?（）.
Fire hose couplings（）.
Fire extinguishing agents used on Class C fires must be（）.
How do you operate a portable CO2 fire extinguisher?（）.
Foam extinguishes a fire by（）.