Halon extinguishes a fire by ______.A.breaking the chain reactionB.smothering the fireC.co
Halon extinguishes a fire by ______.
A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface
Halon extinguishes a fire by ______.
A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface
A.The agent is considered nontoxic at room temperature in low concentrations
B.The agent is less effective than carbon dioxide
C.Halon primarily extinguishes the fire by cooling
D.The agent cannot be used on electrical fires because it leaves a residue
CO2 extinguishes a fire by __________.
A.a blanket of bubbles formed on the surface of the fire
B.smothering
C.isolating the heat from the fuel
D.cooling
A.extinguishes
B.distinguishes
C.selects
D.compares
Inspection of a Halon extinguisher involves checking the hose,handle,nozzle,and ______.
A.sight glass
B.weighing the extinguisher
C.service technicians report
D.last date it was charged
Halon gas will decompose and may form very hazardous toxic fumes when discharged ______.
A.directly on flames
B.at room temperature
C.in an extremely cold climate
D.None of the above
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