Training Bullitin 5 Auto Fires Flashcards
(29 cards)
What is the leading cause of engine compartment fires?
Fuel leaks
What is leading cause of auto fires in the passenger compartment?
Electrical problems
What are hydraulic bumpers pressurized to and how far can the bumpers travel?
Bumpers are pressurized to 150 pounds and travel 3 inches
How far can mechanical bumpers travel?
Up to 4 inches
At one incident 25 feet
What kind of glass is the windshield made of?
Windshield is made of safety glass
What is the flashpoint of gasoline?
-45 degrees
What is the specific gravity of gasoline?
0.8
What is the flashpoint of diesel?
125 degrees
What is the specific gravity of diesel?
Less than 1
What is the range of the dry chem fire extinguisher?
15 to 20 feet
What is the minimum working area for vehicle extrications?
Minimum 30 feet working area
Who is usually the safety officer at vehicle extrications?
The engine captain
What percentage of Lafd fire responses involve automobiles?
20%
CHP research has show what issue with using flares during traffic accidents?
Flares cause focus fixation, especially in drunk drivers
According to training bulletin 5, fires involving dash instruments should be treated as what type of fire?
Class A
Energy absorbing bumpers, there is hydraulic and mechanical. What consideration shall be given to each one.
Hydraulic- filled with an inert gas, bumpers can travel up to 3 inches
Mechanical- spring loaded, can travel up to 4 inches
The IDLH of a auto fire is _____feet, and member working in this area shall be fully encapsulated.
30 feet
When using a dry chemical extinguisher, try to position it _________of the vehicle. The effective range of a dry Chem is ______
Windward
15-20 feet
BLEVEs have occurred in ______ minutes of fire exposure?
10 min
Bumpers which have failed under severe fire exposure have be know to travel how many feet and in what direction?
25 feet in a horizontal direction
Vehicle batteries give off what explosive gas?
Hydrogen
Is a liquid propane gas vapor cloud visible?
Yes
What was the first year vapor canisters were required in cars?
1970
When frown gas is heated, what 2 gases does it become?
Phosgene and fluoride