Flashcards in Firefighting Fundamentals Deck (17)
What is the primary duty of the firefighter?
To save lives
What is the secondary duty of the firefighter?
Extinguish fires/limit damage
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?
What is a B fire?
How is a class B fire extinguished?
What is a class C fire?
How do you extinguish a class C fire?
What is a class D fire?
Combustible metals such as magnesium and titanium
How are class D fires extinguished?
H20 in large quantities
What is Halon 1211 and how does it work?
Inhibits the chemical chain reaction of the combustion process
What percentage of AFFF concentrate is approved for naval use?
3 and 6
What is PKP and how does it extinguish fires?
Breaks the combustion chain.