Incident Scene Ops
Decisions and information are directed from the top of the organizational structure down through intermediate levels to the base of the structure.
What is Scalar Structure?
Happens to steel structural members when they are heated by fire.
What is they lengthening, pushing the walls of a structure out.
Intended for use on Class A foams.
What are ordinary combustibles?
One duty performed by a fire investigator at a fire scene.
What is interview firefighters at the scene?
The purpose of fire and life safety surveys in private dwellings.
What is to determine the extent to which community members implement fire and life safety?
Emergency tasks are assigned to personnel or groups based on their skills.
Under fire conditions, Type III construction with _____ construction walls can collapse in one piece or crumble.
What is masonry?
This produces a thicker Class A foam concentrate.
What is adjust the foam concentrate to a higher percentage?
The search for the area of origin starts at a structure fire.
What is the outside of the structure or the unburned portion of the interior?
An unsafe condition that should be noted in a home safety survey.
What is nonworking smoke detectors?
This is the lower portion of the doorway, in a structure fire with a single open doorway.
What is air intake?
This hazard might occur with lath and plaster under fire conditions.
What is concealed fire between surfaces?
The method of foam proportioning that uses the pressure energy in the stream of water to induct foam concentrate into the foam stream.
What is Eduction?
The type of fuel that must undergo pyrolysis before ignition.
What is a solid?
Firefighters should do this to create an audience-centered fire and life safety presentation.
What is talk to the audience on their level?
The first step of the Planning "P".
What is understanding the situation?
Collapse potential increases in the _____ stage of fire as heat increases in the upper levels and flame spreads to combustible structural members
What is growth?
High-pressure "Bobtail Tanks" are likely to contain liquefied petroleum gas (LPG) or:
What is anhydrous ammonia?
When establishing a fire scene perimeter for a structure fire, the perimeter should.
What is extend beyond the farthest piece of evidence located during the exterior examination of the scene?
This activity should NOT be allowed during a fire station tour.
What is visitors roaming around the station unescorted?
The most important variable when choosing an appropriate hoseline.
What is flow rate?
Every gallon of water for fire suppression, eadds approximately _____ of weight to weakened floors.
What is 8 pounds or 4 kilograms?
The difference between hydrocarbon fuels and polar solvents.
What is Hydrocarbon fuels float on water; polar solvents could mix readily with water?
An example of spoliation.
What is altering evidence so it cannot be observed in the same way by other investigators?
The fire alarm system component that senses the presence of products of combustion or other hazardous conditions and sends a signal to the control panel.
What is an automatic initiating device?