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
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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
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
最新試題
Foam extinguishes a fire mainly by（）.
Flames from small leaks of LFG may be extinguished by（）.
Gas masks（）.
Fire extinguishers on inspected vessels are numbered by size I through V，with I being（）.
Halon extinguishes a fire by（）.
CO2 cylinders equipped with pressure actuated discharge heads will discharge automatically when（）.
Halon from extinguishers used on a class B fire，should be directed（）.
Fire hose couplings（）.
Control valves of a CO2 system may be located within the protected space when（）.
How do you operate a portable CO2 fire extinguisher?（）.