No1 Flashcards
What are normal internal temps. Of the catalytic converter
1300-1600 °f
Whats the temp of a catalytic converter in poor working condition
Temps easily exceed 1600°f
How far should a apparatus be positioned from the front of a vehicle involved in fire
At least 50 feet
During a vehicle fire where should the first hand line be placed
The passenger compartment
Where should the second hand line be placed on a vehicle fire.
The fuel tank
Why should you not cut directly into a vehicles airbag cylinder
Because some cylinders are designed with a compressed gas inflator system thatbis pressurized between 1400 and 3000 psi.
Where are airbag cylinders located in a vehicle
Canisters can be found in the firewall between the B and C post
At what temp will a vehicles airbag cylinder rupte and vent argon.
When the vehicle fire reaches an excess of 480°f
Some airbags are designed to auto inflate at repeted and prolonged temps. Of what
250°f
What unit should be requested for fuel tank leaks
The Haz-Mat unit
What are the major componets of an EV electrical system
Charging mechanism, traction battery,controller, electric traction motor
What fluids will a firefighter encounter with a EV vehicle
Potassium hydroxide,Marlotherm, sulfuric Acid
What is a telltale sign of a EV vehicle
The orange color associated with the wiring system
How long does it take a EV vehicle to de energize after the power has be cut
5 to 10 min
How many pounds of combustible material are in a vehicle
Over 900lbs
