When a firefighter controls doors and windows during a fire attack it is an example of
Oxygen exclusion
Firefighters should ensure that PASS devices are on and are operating properly :
Before entering a structure
Which tool is a member of a fire attack team likely to carry
Hand light
Before entering the building or fire area, the firefighter who is assigned to the nozzle of the attack hose should
Open the nozzle fully to check for adequate flow
Why is is dangerous to work below the hot gas layer without attempting to cool it
The smoke contains fuel and can ignite at any time
Which type of fire attack involved applying water from the outside of the structure to reduce the potential flashover and make the environment more survivable
Transitional attack
When performing a transitional attack, a ______ stream may be the best choice because it will not upset the thermal layering as much as other stream patterns
Straight
A safety guiding for operations at a multistory building
Firefighters must not use an elevator to get to the fire floor
Which method of attack would put firefighters at the least risk when fighting a basement fire
Applying water through an exterior basement window
Example of protecting interior exposures
Closing a door between the fire and unaffected area
When should a firefighter close a sprinkler systems main control valve
Once the fire in under control and the IC gives the order
A characteristic of outside screw and yoke (OS&Y) valves
The threaded portion of the screw is visible beyond the yoke when the valve is open
A firefighter should not turn off the electricity to an entire building until they are ordered to because
It is necessary to operate essential systems such as elevators and HVAC systems
What hazard do solar panels present to firefighters
Panels may still generate power after the main power supply is shut off
When turning off the natural gas supply to a structure
Close the valve by turning the tang until is is 90 degrees to the pipe
Once an LPG fire or emergency has been terminated, firefighters should not
Open the LPG tank control valve
Describe the operations at a vehicle fire
SCBA must be worn because of toxic smoke and vapors are produced
Extinguish any fire near the ______ fire when attacking a vehicle fire
Occupants
Which action would be performed when overhauling a vehicle fire
Checking for hidden fires in the trunk
If there is a fire in the undercarriage of a vehicle
Direct a stream at the ground to deflect water upward toward the underside of the vehicle until the fire is extinguished
If An LNG tank on a vehicle leaks or is on fire, firefighters should
Stay clear or the vapor cloud
Which hazard is associated with a hybrid electric vehicle on fire
Toxic fumes
Biological waste and aerosol cans are hazards likely to be present in
Trash fires
Trash container fires are likely to be fought using class A foam or
A master stream
