Using a Fire Extinguisher
What is the acronym for using a fire extinguisher?
PASS
What 3 things do fires need to start?
fuel, heat, oxygen
A fire watch is a person that solely looks for and detects fire during hot works.
What do CO2 extinguisher activation levers do when being used?
They get extremely cold.
If the original source of heat that started the fire is removed, will the fire stop?
No, the fuel will keep burning.
What is the most common combustible on a job site?
Wood & lumber waste.
What does the acronym PASS stand for?
P- Pull the pin
A- Aim the nozzle
S- Squeeze
S- Sweep
What is a flash point?
The flash point is the temperature at which a fuel is encouraged to burn.
Give an example of a combustible gas.
Acetylene
Hydrogen
Ethane
Propane
What temperature do CO2 extinguisher activation levers get to when being used?
-109*F (-78*C)
What things can be classified as fuel for a fire?
Anything that will combine with oxygen and heat to burn.
As long as gas is kept in the cylinder, what part of the fire triangle cannot be mixed in
Oxygen
How often should you check your progress with a fire extinguisher?
Every 3-4 sweeps.
What does pure oxygen do to non-fuel things when present in a fire?
They will burn.
Material that would otherwise not be considered fuel will burn.
What is the flash point of combustible liquids?
at or above 100*F (38*C)