A.CO2
B.fresh air
C.the tested compartment's air
D.water
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A.fuel supply
B.exhaust ventilation
C.supply and exhaust ventilation
D.mechanical and natural ventilation
A.over pressurization of the space being flooded
B.rupture of cylinder due to temperature increase
C.over pressurization of the CO2 discharge piping
D.flooding of a space where personnel are present
A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.causing loss of stability
D.a grease fire in the ventilation system
A.cooling the outside bulkheads with water
B.shutting all sources of air into the compartment
C.closing the sea chest
D.flooding the compartment with salt water
A.contains 15 pounds of CO2
B.weighs 15 pounds when full of CO2
C.has 15 pounds of pressure at the nozzle
D.weighs 15 pounds when empty
最新試題
Fire extinguishing agents used on Class C fires must be（）.
Fixed CO2 systems would not be used on crew’s quarters or（）.
CO2 cylinders，which protect the small space in which they are stored must（）.
Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.
High-velocity fog（）.
Fire extinguishers of sizes III，IV，and V are designated as（）.
Foam-type portable fire extinguishers are most useful in combating fires involving（）.
Fire fighting equipment requirements for a particular vessel may be found on the（）.
Flame screens are used to（）.
Foam extinguishes a fire by（）.