Firefighting Fundamentals Flashcards
Secondary responsibility of a firefighter?
To extinguish the fires and limit the damage to the aircraft, shipboard, airfield installed equipment, and or airfield structures.
Primary duty of a firefighter?
Saving lives
Fire triangle includes?
Heat
Fuel
Oxygen
What has the fire triangle been replaced in the fire fighting and protection industry by?
The fire tetrahedron
What has research in the past 30 years indicated?
The presence of a 4th critical element which is the chemical chain reaction that takes place in a fire and allows the fire to both sustain itself and grow.
Fires are divided into how many classes?
4
Occur in combustible materials that produce an ash such as burning wood, cloth, and fibrous materials?
Class Alpha fires
Occur with flammable liquid substances such as gasoline, jet fuel, oil, and other petroleum based products?
Class bravo fires
Are energized electrical fires that are attacked by using non-conductive agents?
Class Charlie fires
Combustible metals such as magnesium and titanium?
Class delta fires
Use H2O in large quantities in high velocity fog to extinguish?
Class Delta
Use AFFF, Halon 1211, Purple K Powder, and Carbon Dioxide to extinguish?
Class Bravo
Use Energized - CO2, Halon, PKP, and H2O in fog patterns
Deenergized - treat as a Class Alpha, Bravo, or Delta fire?
Class Charlie
Used H2O OR AFFF to extinguish?
Class Alpha
Consists primarily of synthetic fluorocarbon surfactant. Three percent and six percent are approved for naval use?
AFFF
