Firefighting Fundamentals Flashcards
What is the primary duty of a firefighter?
Saving lives
What is the secondary responsibility of a firefighter?
Extinguish fires and limit the damage
What is the fire triangle made up of?
Heat
Fuel
Oxygen
What has the fire triangle been replaced by?
Fire tetrahedron
What is the fourth critical element of fire composition?
Chemical chain reaction
What is a Class A fire?
Combustible materials that produce ash.
What is a Class B fire?
Flammable liquid substances
What is a Class C fire?
Energized electrical fire
What is a Class D fire?
Combustibles metals
How do you extinguish a Class A fire?
Water
AFFF
How do you extinguish a Class B fire?
AFFF
Halon 1211
PKP
CO2
How do you extinguish a Class C fire? (Energized)
CO2
Halon 1211
PKP
H2O fog pattern min distance of 4ft
How do you extinguish a Class C fire? (De-energized)
Treat as a Class A,B, or D fire.
How do you extinguish a Class D Fire?
H2O in large quantities in high velocity fog from safe distance
What is the approved amount of AFFF concentrate for naval use?
3% and 6%
6% current shipboard