Truck Ops Book 1 Flashcards
The controlled removal of smoke, heat, and gases and their replacement with fresh air occurring in concert with the deployment and application of a properly functioning hoseline on the seat of the fire
Coordinated ventilation
An elevated master stream is a fire stream flowing more than _____ gpm from an aerial device
350
A structure or occupancy designed to have a low environmental impact and make efficient use of resources such as water and energy
Green building
The most popular size ground ladder sizes are ____ - _____ ft straight ladder and _____ - _____ ft extension ladder
16,20; 24,40
Another name for outriggers is what
jacks
A low wall or railing located at the edge of a roof, terrace, balcony, or other structure
Parapet wall
A secure device with a lock operable only by a fire department master key
Rapid entry key system
The area of a building that the aerial tip or elevated platform can effectively reach
Scrub area
The method for deploying an aerial ladder when topography or another obstruction impedes full use of the outriggers
Short-jacking
What are the three type of truck company apparatus
Rear mount
Mid-mount
Tractor-drawn
What type of aerial device is the most common type of aerial device used in the fire service
Rear-mount truck
What type of aerial device offers positional versatility and greater stability but may have reduced scrub area, less compartment space, and a larger turning radius and kick-out
Midmount
Tractor-drawn aerial devices are commonly referred to as what
Tillers
What type of aerial device offers the greatest positional maneuverability
Tractor-drawn or tillers
Each of the three apparatus designs incorporate one of two aerial ladder designs
Straight ladder or Aerial platform
Straight ladders typically consist of how many extendable sections
3
Apparatus with aerial platforms are referred to as what
Towers
A vehicle that combines the features of an engine company and a truck company
Quint
A quint must have a _____ gpm pump
1000
A quint must have a water tank of at least ____ gallons
300
A quint must have at least _____ cubic feet of enclosed compartment storage
40
A quint must have a minimum of _____ ft of soft suction hose or ______ ft of hard suction hose for drafting
15, 20
A quint must have what minimum amount of feet for ground ladders
85ft
A quint must have a storage area of at least _____ cubic ft of storage for 2.5” hose plus two areas each a minimum of _____ cubic feet for 1.5” hose
30, 3.5
Off-going personnel should share pertinent information with oncoming shift members to include
- Street closings
- OOS hydrants, standpipe, sprinkler system
- Equipment deficiencies
What can effect the use of the aerial device
Wind, rain, sleet, snow
Personnel should discover the absence of equipment when
During routine apparatus inspections and not incident scene
For truck company firefighters, a strong understanding of what is critical for safe and effective fireground operations
Building construction & Fire behavior
Conventional roof construction typically uses dimensional lumber such as ____ or larger
2”x6”
Peaked roof systems tend to do what rather than collapse
Burn away
What tool represents the standard tool chosen for rapid vertical ventilation with Peak roof systems
Chainsaw
Gable roofs can be constructed using what two primary methods
Ridgepole & rafters
Rafters or trusses run ________ to the roofline
perpendicular
In truss construction it is common for the ridgeline to have a 2-3” gap covered with aluminum or a manufactured vinyl vent which is referred to as what
Ridge vent
An architectural projection similar to a former is what
Cross-gable roof
What type of roof is also known as a gambrel
Barn roof
A hip roof is constructed similarly to the gable roof with the exception of what
All exterior walls are load bearing
What type of roof commonly occur in manufacturing-type commercial buildings and feature glass walls that provide natural light to the areas below
Sawtooth roof
What type of roofing system represents a popular choice for buildings that require large, open spans and a visually striking architectural statement
Laminated arch roofing
The trussed arch roof is a type of roof construction commonly seen in commercial buildings built when
1930’s - 1950’s
This roof commonly occurs in commercial and industrial buildings and is characterized by an arced roof made of laminated 2”x12” or larger top chords
Bowstring truss roof
With bowstring roofs what way will exterior walls collapse
outward
Signs of impending failure in flat roofing systems include what
Hot bubbling melted tar, white smoke coming from deck, and soft feeling underfoot
What type of tool is recommended for ventilation of flat roofs
Rotary disk saws
During ventilation of poured-in-place concrete roof systems firefighters must avoid what
Cutting the metal tensioning cables
A type of flat roof system where the insulation is placed on top of the waterproofing layer rather than underneath it
Inverted roof
This type of roof construction adds a second roof layer over an existing roof
Rain roof
One of the main hazards of rooftop solar panels is what
Risk of electrocution
Is an architectural feature that is attached to a building
Facade
What can help firefighters determine the height of the facade
Scuppers located at or below the roofline
Engineered floor joists fail at about ___ minutes while traditional lumber joists fail at about ____ minutes
6, 16
What are three common types of green roofs
Green roof or living roof
cool roof
solar roof
The fire tetrahedron includes
Oxygen
Fuel
Heat
Chain reaction
What are the four stages of fire
Incipient
Growth
Fully developed
Decay
Rollover takes place during what stage of fire
Growth
This refers to the point when all surfaces and objects within a space reach their ignition temperature and simultaneously ignite
Flashover
A fully developed fire will continue to burn until what
It has consumed all the available fuel and oxygen
This is an explosive event caused by the introduction of oxygen into an oxygen deficient high-heat smoldering fire
Backdraft
Backdraft will typically exist during what stage of a fire
Decay stage
Warning signs of a possible backdraft include
- Dense smoke with no visible flame in tightly closed compartment
- Black smoke pushing around closed doors or window frames
- Glass stained with smoke condensation and pulsating
- Reversal of air movement
Building construction and contents that include man-made materials such as plastics is considered
Modern
Building construction and contents that include traditional materials such as cotton, wicker, and solid wood
Legacy
RECEO-VS stands for what
Rescue
Exposure
Confinement
Extinguishment
Overhaul
Ventilation
Salvage
What articulates the general plan or course of action taken to reach the objectives
Strategy
Involves the specific actions employed to fulfill the strategy
Tactics
When does size-up begin
with the receipt of the alarm and continues throughout the incident
What does the acronym SLICE-RS stand for
Size-up
Locate the fire
Identify the flow path
Cool from a safe distance
Extinguish the fire
Rescue
Salvage & Overhaul
What is the most critical factor in positioning the truck
Involves determining the intended target or task
The first-due truck should should aim to position on what side of the structure
Alpha
The second-due truck should position on what side of the structure if possible
Charlie
If the 2nd truck needs to position on side A with the first due truck they should position how
Front bumper to front bumper
When a specific target has been identified for placement of the aerial ladder or platform the driver should position the turntable where
In line with the target
To reduce the risk of exposure to toxic gases the turntable should be positioned where
Slightly upwind
With multiple priorities for the aerial what should the positioning decision prioritize
Life safety of civilians and fire department personnel
What is the horizontal distance between the building and the turntable
Setback
In an ideal scenario tower personnel should be able to do what
Place their bucket on the ground or below grade in front of the fire building
This is the portion of a building that can be reached by the tip of the aerial or the bucket of the tower
Scrub area
What all will affect the achievable scrub area of a building
Setback, collapse zone, overhead obstructions
Positioning an aerial on a building corner allows for what
Coverage on two sides
Firefighters should never place outriggers where
On manhole covers, storm sewer boxes, underground vaults, curbs
If short-jacking an aerial you are only able to operate off what side
The non short-jacked side
What is a collapse zone
1.5x the height of the building
If collapse is a factor what are safer work areas
Corners of the building
When raising or extending the aerial ladder, remain aware of electrical hazards and follow theses basic rules
- Do not sit or lean against truck
- Make eye contact with the operator before touching truck
- Touch truck with back of your hand before grabbing truck
- Avoid using aerial for command or rehab operations
A minimum distance of _____ ft should be maintained between aerial device and wires at all times
10
The usage of a jack plate can decrease the weight dispersed by the outrigger to _______ lbs or less than ____lb per square inch
25,000 ; 35
A truck company with a deployed outrigger can concentrate a weight of more than ______ lbs or exceed ______ lb per square inch
40,000 ; 400
Lateral grades of up to ____-____% can be corrected using stabilizers
5-6
What aerial positing is preferred on buildings located on lateral grades
Pulling past and operating off the rear
An effective approach to fighting fires in storage facilities is to park where
Park down a parallel alley and use the master stream over the exposure
A rescue technique that involves using a basket-type stretcher to extract victims from inaccessible areas with the help of an aerial ladder and rope system
Stokes Basket operation
What are the three basic types of Stokes baskets
- Metal or wire basket
- Plastic litter
- Combination of metal and plastic
The most common fireground tactics and tasks employed by truck companies include
Forcible entry, laddering, search, ventilation
What three types of utilities need to be controlled at structure fires
Water, gas, electric
What refers to a thorough and deliberate check for fire extension
Overhaul
What must be confirmed prior to initiating overhaul
Confirm utility control has been completed
If an officer plans to split the truck crew into two then he must do what
Notify command
Firefighters can shorten response times by doing what
Quickly turning out for responses not by reckless driving
In Northern Virginia firefighters encounter various brands of rapid key entry systems to include what
Knox Box
Supra Key system
