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
How is the external flotation bladder of an immersion suit inflated?（）
Halon extinguishes fire primarily by（）.
Firefighting foam is only effective when the foam（）.
Fire and abandon ship stations and duties may be found on the（）.
Gas masks（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Foam extinguishes a fire by（）.
Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.
CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
High-velocity fog（）.