FF Ops Bulletin 1 - Sheet2 Flashcards
From the Firefighting Operations Bulletins:
What is the normal internal temperatures of the Catalytic converter.
Between 1300 and 1600 degrees F
From the Firefighting Operations Bulletins:
The normal outside temperature of a Catalytic converter can reach?
1000 degrees F
From the Firefighting Operations Bulletins:
If Catalytic converters are fed too rich a fuel mixture the temperature may easily exceed?
1600 degrees F
From the Firefighting Operations Bulletins:
What is the purpose of The Fuel Evaporation Control System?
To prevent the loss of fuel vapors from th carburetor and fuel tank due to evaporation,and prevent fuel expansion overflow
From the Firefighting Operations Bulletins:
The fuel tank cap is designed to prevent passage of gasoline vapors directly into
the atmosphere.It incorporates a vacuum
relief set-to operate at
Approx. 3/8 pounds per square inch
From the Firefighting Operations Bulletins:
In the event of a vehicle fire apparatus should be positioned in front of the vehicle that is involved in a fire by
at least fifty feet
From the Firefighting Operations Bulletins:
If an apparatus must be positioned to the rear of the involved vehicle, a distance of at least _______
must be maintained.
One hundred feet
From the Firefighting Operations Bulletins:
What are most vehicle fires caused by?
Electrical or fuel system malfunctions
From the Firefighting Operations Bulletins:
In a vehicle with an Evaporation Control System there is a
Fuel Cap with a pressure relief set at what PSI?
3/5 PSI
From the Firefighting Operations Bulletins:
The fuel tank cap should be removed for the purpose of
relieving excess pressure, during or soon after a fire situation.
True or False
False
From the Firefighting Operations Bulletins:
Compressed gas inflators can be found in what locations on
vehicles?
Within the B and C Posts.
From the Firefighting Operations Bulletins:
When utilizing two hand lines to attack a vehicle fire,
where should the second hand line be directed?
Fuel Storage Tank Area
From the Firefighting Operations Bulletins:
What are the major electrical systems of the Electric
Vehicle (EV)
A charging mechanism, the traction (propulsion) battery, the controller, and the electric
traction (propulsion) motor
From the Firefighting Operations Bulletins:
Some Airbag cylinders are designed with a compressed gas inflator system that is pressurized between?
1400psi and 3000psi
From the Firefighting Operations Bulletins:
Un-deployed Airbagsmay auto ignite if the vehicle fire reaches?
480 degrees
From the Firefighting Operations Bulletins:
The initiator component in an Airbag will auto ignite at?
750 degrees
From the Firefighting Operations Bulletins:
Some Airbags are designed to auto inflate at repeated and prolonged temperatures above?
250 degrees
From the Firefighting Operations Bulletins:
At the scene of a vehicle fire, the First 1 1/2 line should move to extinguish any fire in the ___________compartment
passenger compartment
From the Firefighting Operations Bulletins:
A telltale sign of an Electric Vehicle is the ?
International Orange Color associated with the wiring system
From the Firefighting Operations Bulletins:
As with any electrical system the capacitors hold stored energy, this energy must
be “dumped” for the system to be considered completely de-energized. Because of
this there is a delay of between____and_____minutes between the time the power is cut and the system is de-energized.
5 and 10 minutes
From the Firefighting Operations Bulletins:
An electric vehicle (EV) is a vehicle propelled by an
electric motor
From the Firefighting Operations Bulletins:
Large EV fires can be safely controlled with water; if the fire involves the
batteries and is minor in nature consider utilizing a
Type D” dry chemical extinguisher.
From the Firefighting Operations Bulletins:
If Apparatus must be positioned to the rear of the involved vehicle fire a ditance of at least
100 ft
From the Firefighting Operations Bulletins:
To protect the FireFighter’s the first one in a half inch line and second line should be deployed to the
Tank area utilizing a wide fog pattern to offer limited additional protection
From the Firefighting Operations Bulletins:
What type of cut should firefighters make when it comes to Electric Vehicles?
Spy cut
From the Firefighting Operations Bulletins:
How should you dilute toxic smoke from a burning sodium and sulfur battery?
use a water fog setting
From the Firefighting Operations Bulletins:
Who’s responsible for checking the truck area of all Vehicle fires?
The company officer
From the Firefighting Operations Bulletins:
You should consider positioning the apparatus and the direction of attack from the end opposite the fuel tank and if possible approach the vehicle from a
45 degree angle
From the Firefighting Operations Bulletins:
The battery pack and connected cables remain ______ for several minutes after the power is disonnected.
Hot
