BLOCK VI: FIREFIGHTING FUNDAMENTALS Flashcards
What are the four elements of fire?
heat, fuel, oxygen, chemical reaction
CLASS ALPHA
WOOD, CLOTH, TEXTILES, FIBROUS MATERIALS, PAPER
CLASS ALPHA EXTINGUISHING AGENTS
WATER, AFFF
CLASS BRAVO
GASOLINE, JET FUEL, OIL, PETROLEUM BASED PRODUCTS
CLASS BRAVO EXTINGUISHING AGENTS
AFFF, HALON 1211, PURPLE K POWDER, CARBON DIOXIDE (CO2)
CLASS CHARLIE
ELECTRICAL FIRES
CLASS CHARLIE EXTINGIUSHING AGENTS
ENERGIZED: C02, HALON, PKP, WATER WITH FOG PATTERN AND DISTANCE OF FOUR FEET. NO AFFF.
DE-ENERGIZED: TREAT AS A, B, D
CLASS DELTA
COMBUSTIBLE MATERIALS, MAGNESIUM, TITANIUM,
CLASS DELTA EXTINGUISHING AGENTS
H20 IN HIGH VELOCITY FOG,FROM A SAFE DISTANCE
AFFF (AQEOUS FILM FORMING FOAM)
LIQUID CONCENTRATE OF SYNTHETIC FLUOROCARBON, 3-6 PERCENT, SHIP REQUIRES SIX%
WATER
LARGE AIRCRAFT FUEL FIRES, COOL AIRCRAFT FUSELAGE, SHEILD PERSONNEL FROM HEAT
HALON 1211 (BROMOCHLORODIFLUOROMETHNANE)
COLORLESS, FAINTLY SWEET SMELLING, ELECTRICALLY NON-CONDUCTIVE GAS THAT LEAVES NO RESIDUE. CLASS B AND C, EFFECTIVE ON A. INHIBITS CHAIN REACTION OF COMBUSTION PROCESS
CARBON DIOXIDE C02
CLASS B AND C. COLORLESS, ODORLESS GAS. DISPLACEMENT OF OXYGEN TO BELOW LEVEL REQUIRED TO SUPRESS COMBUSTION.
POTASSIUM BICARBONATE (PKP)
INTENDED PRIMARILY FOR CLASS B FIRES. EXTINGUISHES BY BREAKING THE COMBUSTION CHAIN. NO REFLASH PROTECTION.