Ventilation
The best tactic to prevent back-drafts is _______.
Vertical Ventilation
Overhaul begins in the area of _____________.
Most Severe Fire Involvement
The accidental or purposeful tampering/tarnishing of evidence is ___________.
Spoliation
The best tool we have to mitigate the first 30 minutes of a HAZ-MAT incident is the _____________.
Emergency Response Guide (ERG)
What class are flammable liquids under?
Class 3
One main consideration when approaching the roof is ________.
Second Means of Egress
_________ should be worn until readings show the environment is free of toxic gases.
PPE/SCBA
We may not want to pull ceiling/walls right away to preserve __________.
Burn Patterns
If a propane tank is burning off product from its pressure relief device, the best thing to do is _______ the container.
Cool
What does BLEVE stand for?
Boiling Liquid Expanding Vapor Explosion
Once the hole is cut in the roof, you must _________ in order to release the hot gases and fumes.
Breach the ceiling below
One hazard to be aware of when pulling ceiling is getting into ________, which can be hidden be insulation and drywall.
Electrical Wires
One tool fire crews can use when an investigator will not be on scene for an extended period of time is a ________.
Camera
What are the 3 methods for applying foam?
-Bank-down
-Rain-down
In the NFPA 704 marking system, the blue diamond represents?
Health Rating
In wind assisted ventilation, you must open the doors and windows on the _________ side first to create an exhaust point, then open the doors on the ____________ side.
Downwind, upwind
A common area for hidden fire extension is the ___________ wall.
Plumbing
True or False, when fire crews leave the scene of a fire, they can come back and enter the house whenever they please.
False
What are the 4 ways that firefighting foam extinguishes fire.
-Separating
-Cooling
-Smothering
-Penetrating
List in order the types of radiation, from least harmful to most harmful.
-Alpha
-Beta
-Gamma
5 indicators of roof collapse are _______.
-Melting asphalt (sticky shingles)
-Smoke coming from roof, eves, or peak
-Fire self venting from roof
-Sagging appliances/roof decking
-"Spongy" roof
A gallon of water weighs ______ pounds, which can effect the structural integrity of the floor/roof we are overhauling.
8.34
As firefighters, we are part of the __________ of ________, which requires us to maintain control of evidence and protect it from contamination or tampering.
Chain of Custody
When working around vehicles, either for fire suppression or extrication, one main hazards when working inside the vehicle is ___________.
Undeployed airbags
In an explosion, what phase causes the most damage?
The positive pressure phase.