TB 5: Automobile Fires and Associated Hazards Flashcards
What percent of LAFD responses are auto fires?
20%
How do you use flares and warning lights?
Judicious
How do you use flares and warning lights?
Judicious
Hood release latch mechanism are usually made of ?
Plastic
Where is the fire wall located?
Underneath the dash and has hood release latch
What 2 tools do you use to prop up hood?
Hayward or crow bar
What 2 tools do you use to prop up hood?
Hayward or crow bar
Batteries release?
Hydrogen vapors
What cable do you disconnect first on car battery?
Ground cable
What is the leading cause of of engine compartment fires?
Fuel system malfunction
Hydraulic bumpers travel up to how many inches?
3”
Mechanical bumpers can travel up to how many inches?
4”
Bumper assembly can travel up to how many feet?
25’
Hydraulic bumpers are stored with what ______ at ______psi?
Nitrogen and helium, 150psi
What is gasoline flashpoint specific gravity?
-45 degrees, 0.8 specific gravity
What is Diesel flashpoint and specific gravity?
125 degrees, less than 1.0
How many feet is the safety zone on a auto fire?
30ft
Is liquid petroleum gas heavier than air?
Yes
BLEVE can happen within how many minutes?
10 minutes
How many feet do you keep the dry chem auto fire?
15-20 feet
When did auto makers start making vapor canister?
1970
Air conditioning systems use Freon gas. When exposed to heat to makes two toxic gases of?
Fluoride & phosgene
Excessive warning lights cause ___in drunk drivers
Focus fixiation
