A.vomiting
B.blue color and lack of breathing
C.irregular breathing
D.unconscious condition
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A.Commence draining that tank as quickly as possible
B.Seal off all vents to that tank
C.Activate the CO2 system to that tank
D.Shut off the steam heating coils
A.secure all openings to the tank
B.discharge an initial charge of CO2 with a hand portable extinguisher
C.direct a fire hose into the tank and energize the fire main
D.spray the tank boundaries with a fire hose to promote cooling
A.secure all sources of fresh air to the tank
B.begin transferring the fuel to other tanks
C.top off the tank to force out all vapors
D.station someone at the fixed CO2 release controls
A.The mixture is too lean to burn
B.The mixture is too rich to burn
C.The vapor is about to explode
D.Conditions are perfect for combustion
A.ignite
B.explode
C.asphyxiate
D.vaporize
最新試題
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