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16 Cards in this Set
- Front
- Back
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Effective range of the 15lb CO2 Extinguisher?
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4-6 feet
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Why is CO2 reccommended for Charlie fires?
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Non-conductive, non-corrosive, leaves no residue, & does not damage equipment
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How do you direct the CO2 when fighting a Charlie fire?
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At the base of the flame with a sweeping motion.
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How does CO2 fight a fire?
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Smothers by displacing Oygen
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How can you tell when a CO2 bottle is empty?
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It makes a hollow sound.
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How long will a CO2 bottle last under continuous operation?
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40-45 seconds
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What must be worn when entering a compartment flooded with CO2
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SCBA
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How long must you wait to enter a compartment after it's been filled with CO2 and why?
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15 minutes, allow burning material to cool below ignition point
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Why must you keep 15lb bottle in contact with the ground when in use?
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Prevent static buildup
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AFFF extinguisher is NOT recommended for what class of fire?
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CHARLIE
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AFFF extinguisher contains how many gallons of pre-mixed AFFF and water?
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2.5 gallons.
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When discharged, the AFFF will expand to how many gallons of foam?
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16 gallons
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AFFF will discharge continuously for how long?
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45-55 seconds
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What is the effective range of the AFFF bottle?
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15 feet and decreasing.
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AFFF extinguishes ALPHA fires by...
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cooling
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What are the two sizes of PKP extinguishers?
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18 and 27 lbs
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