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
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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
A.the single hook at the top of the raft
B.two lines passed under the raft
C.the towing bridle
D.All of the above
A.put back in service if some CO2 remains
B.hydrostatically tested
C.retagged
D.recharged
A.CO2
B.fresh air
C.the tested compartment's air
D.water
最新試題
Fixed CO2 systems would not be used on crew’s quarters or（）.
Fire extinguishing agents used on Class C fires must be（）.
CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
Fire alarm system thermostats are actuated by（）.
Halon fire extinguishers are NOT effective when used on which types of fires?（）
Foam extinguishes a fire mainly by（）.
Halon extinguishes fire primarily by（）.
Good housekeeping on a vessel prevents fires by（）.
Fire may be spread by which means?（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.