1
Q
what is the fire triangle?
A
Fuel, Oxygen, Heat
2
Q
what is the fire tetrahedron?
A
Fuel, Oxygen, Heat, and Chemical chain reaction
3
Q
what is Chemical energy
A
energy that is created or released by the combination or decomposition of chemical compounds
4
Q
Class A fire
A
Ordinary combustible materials
5
Q
Class B fire
A
Flammable, combustible liquids
6
Q
Class C fire
A
Energized electrical equipment
7
Q
Class D fire
A
Combustible metals
8
Q
Class K fire
A
Combustible cooking oils, fats
9
Q
What are the 4 Phases of a fire
A
Ignition
Growth
Fully developed
Decay
10
Q
What are sighs and symptoms of impending backdraft
A
- The building appears to be breathing “puffing smoke”
- smoke stained windows
- thick yellowish smoke
- little visible flame from exterior of building with turbulent smoke
