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
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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
A.machinery spaces
B.cargo compartments
C.living quarters
D.galley
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CO2 cylinders，which protect the small space in which they are stored must（）.
Foam extinguishes a fire mainly by（）.
Halon extinguishes a fire by（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Fire extinguishing agents used on Class C fires must be（）.
High-velocity fog（）.
Flame screens are used to（）.
Halon fire extinguishers are NOT effective when used on which types of fires?（）
Fire extinguishers of sizes III，IV，and V are designated as（）.
Fire alarm system thermostats are actuated by（）.