Firefighting Fundamentals Flashcards
What is the secondary duty of the firefighter?
Extinguish fires/limit damage
What is the primary duty of the firefighter?
To save lives
What does the fire triangle consist of?
Heat, fuel and oxygen
What is the fourth element of the fire tetrahedron?
Chemical chain reaction
What are the classes of fire?
A, B, C, D
What is an alpha fire?
Combustible materials that produce ash.
How do you extinguish a class a fire?
H20
AFFF
What is a B fire?
Flammable liquids
How is a class B fire extinguished?
AFFF
Halon 1211
PKP
CO2
What is a class C fire?
Electrical fire
How do you extinguish a class C fire?
CO2
Halon 1211
PKP
H2O fog
What is a class D fire?
Combustible metals such as magnesium and titanium
How are class D fires extinguished?
H20 in large quantities
Jettison
What is Halon 1211 and how does it work?
Bromochlorodifluormethane.
Inhibits the chemical chain reaction of the combustion process
What percentage of AFFF concentrate is approved for naval use?
3 and 6