Truck Flashcards
________ is a measurement of kinetic energy.
Temperature
P. 21
Thermal energy often Referred to as ______ is kinetic energy associated with the movement of atoms and molecules that comprises matter.
Heat energy
P. 21
Outcome of combustion in a confined space in which gases tend to form into layers according to temperature.
Thermal layering
P. 26
As the fire progresses the chance for a condition called _____ increases. During a rollover flames begin to move _____ through the hot gas layers. The ceiling temperature approaches ______ during rollover and the heat being radiated to the floor may be sufficient to ignite ordinary materials such as newspapers.
Rollover
Intermittently
1100f
P. 28
The availability of both ____ and _____ determines whether a fire within a compartment will progress to flashover.
Fuel
Oxygen
P. 29
In a compartment fire the most fundamental fuel characteristics influencing fire development are ____________ area.
Mass to surface.
P. 31
The type of _______ influences fuel load as some type of building materials are more combustible than others.
Construction.
P. 31
________ properties include insulation heat reflectivity retention and conductivity.
Thermal
P. 35
In general there are two mechanisms that can induce flashover.
Radiation and ventilation
P. 47
A strong ____ air flow can be a significant indicator of ______ that will move in the direction of the opening.
(Will involve the next room)
Bidirectional
Flashover.
P. 50
The potential for a backdraft is increased when the building contents have a high _________.
Heat of combustion
P. 53
A continuous process of identifying hazards and risks and taking steps to eliminate or reduce them in the rapidly changing circumstances of an operational incident.
Dynamic risk assessment
P. 63
Those is leadership positions are obligated to acquire and develop four critical leadership skills.
Authority
Mentoring
Conflict resolution
Mission analysis
P. 64
The other way that heat is removed from the interior of a building is by firefighters opening exterior windows and doors. This technique is called__________.
Vent as you go.
P. 108
Extend ladders a maximum of ______ above metal railings.
1 foot
P. 122
If the window opening is wide enough to permit the ladder too to project into it and still allow room beside it to facilitate entry and rescues the ladder can be placed so that it extends _____ to ______ rungs into the window opening.
2 to 3
P. 135
In the absence of an aerial device ground ladders are the primary means of aging access to the roof of structures up to ______ stories in height.
4
P. 139
One reason an accurate size up is so important is that the initial report on conditions and the ____ is based on it.
Incident action plan.
P. 155
During a fire attic vents allow air in_____ the fire but also provide a means for products of combustion to escape.
Fanning.
P 164
Many of the utility related calamities is which firefighters have been injured or killed were caused by or fueled by _______,________,_______.
Gas, lpg, or heating oil
P. 178
One of the most important ways of ensuring the saws safety and effectiveness is by making sure that the saw blades are __________.
Serviceable
P. 221
In zero visibility conditions firefighters must use a _____ or take a _____ with them into the building.
Tagline.
Charged hose line.
P. 258
Most thermal imagers use one of two technologies.
Microbolometer or bst
P. 260
The two major advantages of using a thermal imager during primary search are ______ and _______.
Speed
Effectiveness
P. 262
When search teams must progress deep into large complex buildings their ________________ must be maintained.
(Safe zoning)
Line of retreat
P. 264
Each member of the ric should be equipped with at least one effective ________ device.
Lighting
P 277
In some fire departments tarps slightly smaller that standard salvage covers and of different color are marked as dedicated __________________.
Ric equipment caches
P. 279
The importance of early and aggressive tactical ventilation Operations on interior structure fire especially ________ Fire can’t be overstressed
Attic.
P. 285
From a ventilation size up perspective one of the most important indicators of the fire conditions within a burning building is the behavior of the visible _______.
Smoke
P. 291
There are two categories of smoke density.
Optical, opacity
Physical (buoyant)
P. 291
For purposes of ventilation size up the following critical building construction factors should be considered.
Age and type
Positive features
Negative features
Occupancy specific features
P. 293
Among the most positive building construction features are _________. They employ the principle of ____________.
Self closing fire doors.
Compartmentalization.
P 296
Ideally buildings with ________ roofs systems or any other system that is prone to early collapse during a fire will have _______________ vents.
Panelized
Automatic smoke vents.
P. 298
To _______ a roof means to observe the roof construction features and other indicators that can warn firefighters of potentially unsafe conditions.
Read
P. 348
An __________ is often the Safest and most efficient means of gaining access to a roof and should be positioned to gain the greatest advantage possible.
Aerial device
P. 349
Roof ladders should only be used to give the firefighters more secure footing on ___________.
Pitched roofs
P. 351
Because roof supports almost always run perpendicular to the outside walls firefighters should never walk ________ across the roof of a burning building.
Diagonally
P. 351
Once firefighters are on the roof they should test the roof by gently _________ on it while holding onto the _____ or _____ with one hand.
Bounce
Ladder
Parapet wall
P. 352
Most roofs assemblies employ a _________ system with rafters spaced from _____ to _____ inches on center spanning the shortest distance between structural members or bearing walls.
Parallel rafter
12 to 24
P. 354
If sounding the roof does not reveal the location and direction of the rafters a diagonal cut through the roof covering can be made with a chain saw or rotary saw at an angle of _______ to any exterior wall. Usually finds rafters before ____ ft.
45 degree.
3 feet
P. 354
To be most effective a chain saw must be used with the bar at a ______ angle to the roof surface.
Right
P. 357
All rafters in ______ roofs run perpendicular to the nearest outside wall.
Hip.
P. 363
This type of roof may be constructed with mono pitched trusses with a single web. Half of a gabled roof
Shed
P. 364
The _____ roof has a double slope on each of its four sides.
Mansard
P. 365
_____ flat roofs create special hazards as well. This design also creates a concealed space often several meters high.
Inverted
P 375
The single biggest hazard of _____ roofs is the danger of sudden and total collapse often without warning.
Arched
P. 382
Most common types of roof trusses.
Parallel cord and pitched
P. 385
Layer of material between a roof deck and the roof covering that may or may not be bonded to the roof covering.
Substrate
P. 389
The most common substrate is _______ or _________
Roofing felt Or tar paper
P 389
Cutting _____ vents is often the fastest and most efficient way to open a roof. Also known as center rafter cut.
Louver
P. 401
A second method of louver venting sometimes called ___________ involves making the two longest cuts perpendicular to the rafters. Also known as ________
Rolling the rafters.
Dicing
P. 402
To quickly create a large ventilation exit opening on a lightweight roof __________. This requires ____ firefighters. When finished the opening will be ____ wise by ________. Long. Requires cutting roof rafters.
Rolling back the roof
4
8 ft
12-40 ft
P. 403
Water chutes are constructed using _____ frame ladders.
A
P. 142
The common characteristics of smoke:
Air flow-pressure
Color
Density
Volume
P. 158
Some departments train their firefighters to control the search environment to the greatest extent possible. They do so by applying _______ and ______.
Safe zoning.
Guarding the line of retreat.
P. 263
Firefighters create _______ by closing interior doors to isolate the fire and then remove heat and smoke from uninvolved areas with positive ventilation or hydraulic
Safe zones.
P. 263
