A.crewman's duty list
B.Certificate of Inspection
C.shipping articles
D.muster list
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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
A.the discharge valve is open
B.the control box glass is broken
C.pressure from the control cylinders is detected
D.the control cylinders have been completely discharged
最新試題
Halon fire extinguishers are NOT effective when used on which types of fires?（）
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Fusible-link fire dampers are operated by（）.
Flames from small leaks of LFG may be extinguished by（）.
Fixed CO2 systems would not be used on crew’s quarters or（）.
High-velocity fog（）.
CO2 cylinders，which protect the small space in which they are stored must（）.
Foam extinguishes a fire by（）.
CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
Fire extinguishing agents used on Class C fires must be（）.