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 hose should be washed with（）.
Fusible-link fire dampers are operated by（）.
Halon from extinguishers used on a class B fire，should be directed（）.
Gas masks（）.
Halon fire extinguishers are NOT effective when used on which types of fires?（）
CO2 cylinders，which protect the small space in which they are stored must（）.
Fire and abandon ship stations and duties may be found on the（）.
How do you operate a portable CO2 fire extinguisher?（）.
Generally，the first action in extinguishing an LFG fire caused by escaping gas is to（）.
Foam is a very effective smothering agent and（）.