Extinguishers Flashcards
1
Q
What are the components of the fire tetrahedron?
A
- Heat
- Oxygen
- Fuel
- Chemical chain reaction
2
Q
What is a Class A fire?
A
solid carbonaceous materials
(wood, paper, rubber, etc.)
3
Q
What is a Class B fire?
A
Flammable liquids
(petrol, oil, alcohol, etc.)
4
Q
What is a Class C fire?
A
Flammable gases
(LPG, acetylene, etc.)
5
Q
What is a Class D fire?
A
Combustible metals
(magnesium, sodium, aluminium shavings, etc.)
6
Q
What is an E type fire?
A
Fire involving electricity
(considered a sub-class of class D as electricity is not a fuel)
7
Q
What is a Class F fire?
A
Fats and cooking oils
