A.portable
B.semi-portable
C.fixed
D.disposable
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A.crewman's duty list
B.Certificate of Inspection
C.shipping articles
D.muster list
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.removing the heat
B.removing the oxygen
C.removing the fuel
D.interrupting the chain reaction
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.NOT contain more than 200 pounds of CO2
B.be automatically operated by a heat actuator
C.have an audible alarm
D.All of the above
最新試題
Fire hose should be washed with（）.
CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
Foam is a very effective smothering agent and（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Foam extinguishes a fire mainly by（）.
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
Fire and abandon ship stations and duties may be found on the（）.
Fusible-link fire dampers are operated by（）.
Halon fire extinguishers are NOT effective when used on which types of fires?（）
Flames from small leaks of LFG may be extinguished by（）.