p1b6&7 Flashcards
what is the firefighter’s primary and secondary duty
saving lives and extinguishing the fire
What are the key elements of a fire
heat, fuel, and oxygen
fire tetrahedron
heat, fuel, and oxygen
four classes of fire
- class A
- class B
- class C
- class D
Class A
combustible materials that produce ash
Class B
flammable liquids
Class C
energized electrical fires
Class D
Combustible metals
Extinguishing agents for class A
h2o, afff
extinguishing agents for class B
afff, halon, pkp, and co2
extinguishing agents for class C
co2, halon, pkp, and h20
extinguishing agents for class D
H2o
AFFF
consists of surfactant materials that are noncorrosive
water
has ability to cool the aircraft
halon
intended for B and C, nonconductive gas
co2
used for B and C, nonconductive gas
PKP
suffocates the flame