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
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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
A.fuel supply
B.exhaust ventilation
C.supply and exhaust ventilation
D.mechanical and natural ventilation
最新試題
How does foam extinguish an oil fire?（）.
Flame screens are used to（）.
Halon extinguishers used on a class C fire should be directed at the（）.
CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
Fire and abandon ship stations and duties may be found on the（）.
Fire extinguishers of sizes III，IV，and V are designated as（）.
Good housekeeping on a vessel prevents fires by（）.
Gas masks（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Fire may be spread by which means?（）.