25 - Truck Book #1 Flashcards
When multiple locations are identified, position the turntable to reach as many of the locations as possible. Reaching all the locations in a timely manner may require multiple truck companies to?
position on the same side
Optimally, where should towers be able to place their bucket while in front of the fire building?
on the ground and/or below grade
You are positioning an aerial device on a lateral grade with a ground slope of 13% and a truck slope of 5.1% to 8%. At what capacity is the aerial device operating?
Half
Which rear mount aerial device positioning option will often prove advantageous by increasing the scrub area and allowing for maximum extension of the ladder?
Backing in
As a rule, what is the formula for determining the collapse zone if y = distance and x = height?
y = 1.5x
Firefighters must remain aware of the electrical hazard when an aerial is extended. Which of the following is a basic rule that should be followed anywhere and anytime the aerial device is operating?
Firefighters should not sit or lean against a truck/tower
Personnel should be aware of weight restrictions for buildings and surfaces when planning to use a truck company. For instance, a truck company with an outrigger deployed can concentrate a weight of more than 40,000 lbs. on the spot where the outrigger contacts the roadway, exceeding 400 pounds per square inch. How much can the usage of a jack plate can decrease the weight to the singular outrigger?
25,000 lbs. or less than 35 pounds per square inch
Use of the aerial is permitted on which side of the apparatus?
Non-short jacked side
If heavy fire conditions are encountered requiring either an offensive exterior attack or defensive operations, the Incident Commander (IC) should use a tower ladder (or more than one if necessary) on side?
Alpha
If feasible, based upon the location of the fire and if the hydraulic ladder is to be used, where should the responding trucks be placed?
At a corner of the building
What size should the collapse be for a building with a height of 120 feet?
180
When responding to a high-rise fire, on which side of the building should the first due truck company park unless the fire location can be readily identified?
Side A
During advanced fires at outdoor self-storage facilities, where should the truck company position and project their master stream by using the reach of the hydraulic ladder?
On a parallel alley
Who is responsible for positioning the apparatus in the most advantageous position while keeping in mind the manufacturer?s specifications?
Officer and operator
The horizontal distance from the building to the turntable, also known as setback, is typically how many feet?
30
Stabilizers are capable of correcting lateral grades up to what percent?
5 to 6
When using the aerial device on lateral grades, what location is the preferred positioning?
Pulling past
No matter the circumstance, what is the minimum distance that shall be maintained at all times between the aerial device and the electrical wires?
10
Firefighters should not work directly under this type of roof construction when heavily-involved and the larger supporting roof burns away, because of its lightweight/low mass lumbar truss configuration held together with truss plates?
Cross gable
How far apart are rafters typically spaced on center and attached to the ceiling joists where they meet at the exterior walls?
16 to 24 inches
Which of the following lateral grades can be corrected by stabilizers?
5-6%
What position is preferred when setting up on a building with lateral grades?
Pulling past and operating the aerial off the rear
During advanced fires at outdoor self-storage facilities, consider positioning the aerial device where?
Down a parallel alley
What is the formula used to determine that collapse zone of a building?
1.5 x H
In testing programs traditional lumber joist failed at what time?
16 Minutes
Engineered floor joist were tested under ASTM E-119 and failed at what time?
6 minutes
What does the acronym LIP stand for in regards incident priorities?
Life Safety, Incident stabilization, Property conservation
What is the minimum distance needed to protectant aerial device from power lines?
10 feet
What does the “C” in SLICE-RS mean?
Cool the area from the safest location
What does the “O” in RECEO-VS mean?
Overhaul
Which of the following is NOT a key box system located in the NOVA region?
Datawatch Box
Which of the following is NOT a basic rule that should be followed anywhere and anytime?
When mounting or dismounting the apparatus you should only use 2 points of contact
Elevated master streams flow an excess of what amount when deployed?
350 GPM
The use of the aerial device is not permitted on which side of the apparatus?
Short jacked side
When operating a rear mount aerial device what provides the best advantage of increasing scrub area?
Backing in and placing the turntable closet to the building
Which of the following is not a duty when being paired with an engine company?
Making an aggressive fire attack
When developing a checklist for a overhaul plan what is included?
Scene integrity for investigators
Which of the following is not included during a safety inspection of the exterior of a building?
Current weather conditions
What is the most important factor in positioning for an aerial device?
To determine the intended target/task and then spot the turntable for incident priorities
Gable style roof rafters are typically how far apart?
16-24 inches
What is the definition of a Tower Ladder?
An aerial device with a basket attached to the end of a boom that also contains a small ladder attached to the boom that can be used for escape
What does the acronym “LIP” stand for?
Life Safety, Incident Stabilization, Property Conservation
What is the horizontal distance from the building to the turntable known as?
Setback
Usage of a jack plate can decrease the weight to the singular outrigger to how many pouds per square inch?
Outriggers= 40,000 lbs @ 400 psi Jackplates = 25,000 lbs @ 35 psi
No matter the circumstances, a minimum distance of how many feet shall be maintained between the aerial device and the wires?
10
For a 100-foot tall building, a collapse zone of how many feet would need to be established?
150
On a high-rise fire, where should the first-due truck position when fire location is unknown?
Side alpha
During advanced fires at outdoor self-storage facilities, where should you consider positioning the aerial?
Paralell alley
What does the acronym, “RECEO-VS” stand for?
Resuce, Exposure, Confinement, Extinguishment, Overhaul, Ventilation, Salvage
What is the general plan or course of action decided upon to reach the objective?
Strategy
Tasks are jobs performed to accomplish what?
Tactics
What is one of the primary tasks of the interior crew?
Search for victims and fire
What must be coordinate with fire attack?
Ventilation
Controlling the utilities is the responsibility of who?
Truck Company
Who is responsible for loss control and property conservation?
All personnel
Which type of construction uses dimensional lumber that relies on its mass for strength?
Conventional wood construction
What is another name for a barn roof?
Gambrel Roof
Which roofing system is an architectural projection, similar to a dormer, giving ascthetics to the structure, but also an increased dead load on the roof?
Cross Gable Roof
Which roofing system is a second roof, either flat or gabled, of lightweight construction built over the original roof of the building?
Rain Roof
Which green power system is generating electricity as long as the sun is shining and potentially at night as a result of our emergency lights?
Photovoltaic System
What is the difference between tower ladder and ladder tower?
tower ladder has a narrow ladder for emergency eggress, ladder tower has a wide ladder for both ascending and descending
What vehicle combines the features of an engine company and truck company?
a quint
where should 2nd due truck position?
opposite the first arriving truck or next best position
This part of the truck should be inline with the identified target.
the turntable
What lateral grades can be corrected using the truck stabilizers?
5-6%
What is the prefered positioning of rear mounted truck on a hill?
pulling past and working off the rear
What are 2 things that mazimizes scrub area for a rear mounted truck?
Backing toward the building and at the corner
what is the colapse zone for a 100ft building?
150ft
what is the minimum distance for an aerial device and wires?
10ft
What does the “V” in RECEO VS stand for?
Ventilation
What is noticeably absent from SLICER RS tacital list but in RECEO VS
Ventilation
What does L.I.P. Stand for?
life safety, incident stabilization and property conservation
Does placement of portable ladders authorize a firefighter to remove a window?
not without confirmation from interior crew
What is the preferred method for entering a building in all cases?
rapid entry key system
What is a thorough and deliberate check for fire extension?
overhaul
What type of construction relies on its mass for strength?
coventional wood roof construction
What construction relies on compression and tension for strength?
light weight roof construction
What does hip roof construction tell you?
all exterior walls are load bearing
When sizing up a facade, what should you look for to determine the roof line?
Scuppers
What is an important functions of a truck company early in a fire is?
control utilities
When the second truck cannot access Side Charlie, what is the optimal positioning for the apparatus?
Bumper to bumper for access to ladders
In rescue situations, what might be necessary for a DO to do?
Push through tree branches, limbs, or signs
The distance from the building to the turntable that includes things like parking areas is known as what?
Setback
When operating on a grade, what is the preferred positioning for an aerial apparatus?
Pulling past and operating off the rear
Stabilizers can correct a lateral grade of how many percent?
5-6%
No matter the circumstances, a minimum of how many feet shall be maintained between an aerial device and electrical wires?
10 ft
Which of the following is not a factor in the stability of an outrigger?
Winds of greater than 25 mph
When short jacking an aerial apparatus, which side is the optimal side to operate off of?
The non-short jacked side
When following the acronym RECEO-VS, what is the act of preventing the fire from extending into an uninvolved structure?
Confinement
What is the first step in RECEO-VS?
Rescue
In the acronym LIP, what does the P stand for?
Property Conservation
In RECEO-VS, this step is the thorough and deliberate check for fire extension.
Overhaul
When using Class A or B foam to penetrate deep-seated fire, what concentration should be used?
1%
Which of the following is not a sign of pending failure of a steel support girder system?
Black turbulent smoke
Unlike the metal roof deck, this type of roof may give little to no warning before catastrophic failure.
Poured-in-Place Concrete roof
Firefighters should not work directly under heavily involved this type of attic fire.
Cross Gable Roof
What type of roof uses metal tie rods and turnbuckles to provide lateral support for the walls of the building?
Bowstring Truss Roof
Corrugated metal covered by alternating layers of tar and tarpaper is a common decking for what kind of roof?
Flat Roofs
In most instances, when this has been added, vertical ventilation will not be a viable tactic.
Rain Roof
What is one of the major concerns with Green Roof Systems?
The added dead weight of the increased load of soil and vegitation
What do truck company personnel need to be aware of to avoid a collapse hazard for apparatus parking or driving over?
Underground cistern, rain water caverns
Photovoltaic solar panels may pose all the following hazards except:
Hot fluid scalding
Which system is used to convert sunlight to electricity?
Photovoltaic system
In green buildings, what are the three types of roof systems?
Extensive, intensive and simple intensive
Green building is also known as what?
Sustainable building
Which type of roof has eight inches or more of a growth soil?
Intensive roof
Which architectural projection enhances the exterior of a square building, especially with a flat roof?
Facade
Which type of roof can be ventilated by breaching the gable as well as the cockloft vents?
Rain roof
What roof type has the insulation above the waterproof membrane ?
Inverted roof
What is used in flat roof system that provides air flow to underside but also could allow for fire spread?
Wood spacers
Which type of roof provides natural light due to the presence of glass in the walls?
Sawtooth roof
The primary hazard of what type of roof is the early failure of the tie rods due to exposure to the fire conditions?
Bowstring roof
The following type of roof is seen in many commercial buildings built in the 30’s,40’s and 50’s:
Trussed arch roof
Where should firefighters never work directly under when heavily involved attic fires?
Cross gable
The hip roof is constructed similar to gable roof, except:
All exterior walls are load bearing
Which type of roof is also known as a gambrel roof?
Barn roof
When developing an overhaul plan, all the following are considered except:
Water availability
What needs to be considered to penetrate deep-seated fires during overhaul operations?
The use of class A or B foam at 1%
All tactical operations should be based upon what?
SLICERS
What can assist greatly in proper truck placement in townhouses positioning?
Rapid confirmation of address
An elevated master stream can flow in excess of what gpm from the tip of an aerial device?
350 gpm
How is a ladder tower aerial device constructed?
Tubular truss beam
How is a tower ladder aerial device constructed?
Box and beam
How shall the first due truck position?
For turntable placement
Where shall the second truck position?
Opposite the first arriving truck
Where should the turntable be positioned when there are multiple locations needing to be laddered?
Position to reach as many as possible
What is the horizontal distance from the building to the turntable called?
Setback
Aerial devices can be positioned in what two ways?
Laterally and logitudinally
What percent of lateral grades can be corrected utilizing the stabilizers?
5-6%
What is the preferred position for buildings on lateral grades?
Pull past and operate off the rear
What is the formula for finding the collapse zone?
y = 1.5x
What is the minimum distance the shall be maintained between the aerial device and wires?
10 feet
What weight can a singular outrigger concentrate on the spot where it contacts the roadway?
40,000lbs
The use of a jackplate can decrease the weight on a singluar outrigger to what?
25,000 lbs
When short jacking an aerial device, what side of the aerial can you not operate on?
Short jacked side
What is the preferred method for entering a building in all cases?
Rapid entry key system
What should you consider using on deep seated fires?
Class A or B foam at 1%
When do engineered floor joists fail?
Six minutes
What are the three types of roof systems on green buildings?
Extensive, Intensive, Simple Intensive
An extensive roof system has what depth of soil growth on it?
Less than 6 inches
What is the optimal set back for positioning an aerial device for below grade operations?
30 feet
What percent of a lateral grade can be corrected when using the stabilizers on an aerial apparatus?
5-6%
What is the preferred positioning of an aerial apparatus when a building is located on a lateral grade?
pulling past the objective and working off the rear
What is the minim distance that should be maintained between overhead wires and an aerial device?
10 feet
What is the weight concentration of an outrigger when in contacts a roadway without a jack plate?
40,000 lbs.
What is the weight concentration of an outrigger when in contacts a roadway without a jack plate?
400 lbs. per sq inch
What is the weight concentration of an outrigger when in contacts a roadway with a jack plate?
25,000 lbs.
What is the weight concentration of an outrigger when in contacts a roadway with a jack plate?
25 lbs. per square inch
When operating on a storage facility, truck companies should consider:
positioning down a parallel alley and using the aerial master stream over the exposure
What is the optimal positioning of an aerial device on a high rise incident?
on the corner of the involved portion of the building
When exposed to direct flame contact, engineered ply-I’s fail:
in roughly 6 minutes
When exposed to direct flame contact, dimensional lumber joists fail in roughly:
16 minutes
