Truck Book 3 Flashcards
What is the fixed elevated piping that secures to the bed of a hydraulic ladder and supplies a masterstream called?
Pre-pipe waterway
What is a non-self supporting portable ladder that is fixed in length consisting of one section?
Straight ladder
NFPA 1901 specifies the minimum length of ladder to be carried on an aerial apparatus as __?
115 ft
NFPA requirement pertaining to marking ladders is that if they are to be marked shall only be marked __ from the top.
18 in
Temperature stickers on the side of ground ladders are rated to change color when it reaches?
300F
An aluminum ladder can lose as much as __% of its load capacity even if only exposed to heat for a moment.
25
Priority order for placement of ground ladders on the fireground should be __
- Fire floor
If the decision is made to operate on the roof how many ladders shall be placed for egress?
Two
When laddering a roof, how many rungs should be placed above the roofline?
Three to five
If asphalt is encountered a __ may be driven into the surface to provide for a heeling surface.
Haligan
Any member operating on the aerial, in a bucket or an aerial shall wear __.
ladder belt or Scott Multi-use strap
Entering and exiting tower bucket platform shall be __ if possible.
through the swinging gates and not over the railings
What is the priority for ground ladders on a fire scene?
Occupant most threatened by fire
If an aerial ladder comes into contact with power lines the operator shall __.
Use hydraulic controls to move the aerial ladder away from the wires
If an aerial ladder comes into contact with power lines the operator shall bunny hop how far away?
30 ft
An aerial device shall be placed how far away from a structure before using as an elevated master stream?
1.5 times the structures height
Aerial master streams positioned too far from the involved structure do not deliver water effectively. Why?
Stream breaking apart prior to reaching the seat of the fire
What is not a main use for elevated stream operations?
Reaching an elevated position with the ladder
To achieve maximum benefit of any stream inside a structure, the stream should be directed upwards at __ degrees.
30 degrees
Elevated master streams operations can prevent auto exposure over __ vertical feet.
100
NFPA 1901 recommends a minimum total ladder length of_____ on a aerial apparatus.
115
NFPA stats visibility paint on the tip shall only be marked on the top _______ inches.
18
Ladder heat labels change color when they reach ______ degrees
300
Even if exposed for a moment a ladder can loose how much percent load capacity?
25
Priority for ladder placement order is?
Fire floor, Floor above, Adjacent compartments
Estimated____ feet per residential floor and ____ feet per commercial floor.
9, 12
the typical run of residential stairs is how many feet?
13
If ascending a roof by ground ladder how many rungs are placed above the roof line?
3 to 5
If a aerial truck comes in contact with power lines how many feet should you at least stay away?
30
What is a characteristic of a extension ladders
Consists of two or more sections
What is the name of the ladder that is used on a roof?
Roof ladder
What is another name for a folding ladder
Attic ladder
What is a fixed elevated piping that is secured to the bed of the hydraulic ladder
Pre piped waterway
What is short, collapsible ladder that is easy to maneuver
Folding ladder
What are ladder NOT used for during house fire
Block people from coming through the fire scene
What is the main advatage of portable ladders
Versatility and mobility
What does NFPA 1901 recommends a total ladder length to be carried
115 feet
Ladders should be tested every
Annually
What temperature does the sensor indicator that is on the ladder change color?
300 degrees
When placing ladders on the fireground what is the second order of priority be?
Floor above the fire
What is NOT another factor to consider for laddering a structure
Venting a window
How many ladders are used, if you are tasked to place ladders up to the roof for operations?
2
Where do you put a ladder tip if you are going to be using it for VEIS
Below the sill
When ascending to a roof how many rungs should you go above the roofline
Three to five
What is the minimum, ladder rungs above the railing of a balcony
2
When placing a ladder, how much work space do you want to have for fire service personnel to operate
10 Feet
When using the airial bucket to perform a rescue in a building what is the correct order of the aerial operation procedure
Raise, Rotate, Extend, Lower
What is the minimum distance that personnel must stay away if the aerial touches powerline
30 Feet
How far does the truck need to be parked away if there is a potential for a wall collapse
1 1/2 times the structure height
The apparatus committee is purchasing a new truck and as a new lieutenant on the committee your in charge of ordering the ladder compliment for the new truck, following NFPA 1901 what is the minimum total ladder length to be carried on aerial apparatus?
115’
During clean up after a townhouse fire the aerial driver notices that the heat sensor indicators have changed color. This tells the driver that the ladder temperature reached?
300 degrees F
When aluminum ladders heat sensor indicators changed color, what percentage of it’s load capacity is lost?
25%
The maximum reach of most portable ladders on aerial apparatus reach between?
35’ - 45’
What are the factors to consider when laddering a structure?
Victim removal, VEIS, Hose line advancement, Ventilation
Based upon Victim removal, VEIS, hose line advancement, and ventilation; the priority order for placement of portable ladders should be?
- Fire floor 2. Floor above the fire 3. Adjacent compartments/roof
E425M arrives on scene to a single family house fire with fire showing from the second floor window side Alpha. A victim is hanging out an adjacent window to the fire. What ladders on the engine can reach the victim in the window?
24’ and 14’
What is the bedded length of a two section 35’ extension ladder?
20’
A firefighter climbs a 35’ ladder to perform ventilation on a fourth floor residential window. The window is to the right of the firefighter, which leg should he use for his leg lock?
Left leg
How many rungs above the roofline should a portable ladder have showing?
Three - five
How many rungs above and where should the portable ladder be placed when laddering a balcony?
Two rungs above and near the end of the railing
Situational awareness is key when operating on a fire ground, when placing the portable ground ladder a firefighter should always check for ________ before raising the ladder up.
Electrical wires
Aerial ladders as well as portable ladders should be how far away from electrical power lines?
10’
What are some other uses for portable ladders?
Bridging, ice rescues, drafting pits, salvage chutes, hanging exhaust fans
When using and aerial ladder to attempt a victim rescue the operators must use the following movements:
- Raise 2. Rotate 3. Extend 4. Lower
What procedures are taken if an aerial ladder comes in contact with electrical power lines?
Stay on the turntable and warn others to stay 30’ away. Try to use hydraulic controls to move ladder. Notify IC
If the potential for full or partial collapse of a structure exists, how far away should the vehicle be parked?
1 1/2 times the structures height
What are the three main uses of elevated stream operations?
- Extinguishment 2. Exposure protection 3.Flying Standpipe
When operating a master stream on a tower ladder to achieve the maximum benefit of any stream inside a structure, the stream should be directed upward at what angle?
30 degrees
At what height can elevated master stream prevent auto fires at highrises
150’
Portable ladders are first and foremost for what?
Access and egress of firefighters
The main advantage of portable ladders is what?
Their versatility and mobility
NFPA 1901 recommends the standards for fire department apparatus and states that the minimum total ladder length to be carried on aerial apparatus is how much?
115 feet
If ladders are marked with paint or tapes they shall only be marked at the top how much?
Top 18 inches
In addition to marking a ladder at the top it should also be marked where?
Middle point
How often should ladders be tested?
Annually
Ladders should be inspected and cleaned when?
Monthly and after every use
Ladders are required by NFPA to have heat sensor indicators if manufactured after
1984
Ladder heat sensor indicators should be located where?
Below 2nd rung & halfway point
The heat sensor labels are rated to change color if the temperature on the ladder reaches what?
300 degrees
An aluminum ladder even exposed to heat for only a moment can lose as much as what percent of its load capacity and can continue to accumulate ocer its lifetime
25%
The main disadvantage of portable ladders is what
Limited reach
Firefighters must always be dilligent of the surroundings by continuously checking for all of the following except
Low hanging branches
The second priority order for the placement of portable ladders is
Floor above the fire
In order to select the most appropriate portable ladder you should estimate how many feet per floor in residential occupancies
9
In order to select the most appropriate portable ladder you should estimate how many feet per floor in commercial occupancies
12
The typical run of residential stairs is how many feet
13
For all ladder operations place the ladder how
With the fly out
If a firefighter must work off a ladder they should use all of the following except for what
MSA Multi-use strap
For access or egress place the tip of the ladder where?
At or slightly below the sill
Portable ladders are first and foremost for ___.
Access and egress of firefighters.
Which of the following standards recommends the standards for fire department apparatus and states that the minimum total ladder length to be carried on aerial apparatus as 115 feet?
NFPA 1901
What is the only NFPA requirement pertaining to marking portable ladders?
If marked, they shall only be marked at the top 18 inches.
Where should a heat sensor indicator on a ground ladder be located?
Below the second rung and at the halfway point of the ladder
At what temperature are the heat sensor indicators rated to change color?
300 degrees
What is the typical run length of residential stairs?
13 feet
The 1st priority order for placement of portable ladders on the fireground should be which of the followng?
Fire floor.
Prepiped water ways should deliver over ___ GPMs?
350 GPMs.
If ascending to a roof, place at least 3-5 rungs above the roofline and _____.
Make a general announcement on the fireground channel.
When should the ladder be placed with fly section out?
All operations.
Where should the tip of the ladder be placed on a balcony where the railing is flush with the exterior wall?
A minimum of two rungs above and near the end of the railing.
Once a portable ladder is in place, it should not be moved and ___.
the position voiced on the radio.
Encountering which of the following should an additional roof or straight ladder should be used to descend onto the flat roof?
A high parapet
When selecting portable ladders for a task, estimate __ per floor for residential occupancies and __ per floor for commercial occupancies.
9,12
What is defined as “ Using a ladder to span distances resembling a bridge. This can be used to span two
Bridging
If the aerial encounters an electrical power line, the operator should tay on the turntable and warn all others to stay at least ___ feet away.
30
As a general rule, to achieve the maximum benefit of any stream inside a structure, the stream should be directed upward at a _____ angle through a window or opening,
30 degree
What pattern is typically more effective than a smooth bore stream for sweeping the burning
A narrow fog.
For hasty egress or victim rescue, the top rail of the aerial tower bucket should be ___ so a victim may be pulled into the bucket and not needing to use the doors.
Level to the window sill.
What is the formula for smooth bore nozzle reaction?
1.5x D2 x NP
Portable ladders are first and foremost for:
the access and egress of firefighters
NFPA 1901 states that the minimum total ladder length to be carried on aerial appratus as:
115 ft
The NFPA requirment for marking portable ladders is that if marked they shall only be marked at the top:
18”
Heat sensor indicators for ladders should be located:
below the second rung and halfway on the ladder
Heat sensor indicators for ladders are rated to change color at
300 degrees
Based on the factors outlaid in the Truck Company Book 3 what is the first in the order of priority for ladder placment?
fire floor
If the decision is made to operate on the roof how many ladders should be placed
2
regarding ladder selection you should estimate __ feet per floor for residential occupancies and ___ feet per floor for commercial occupancies.
9, 12
The typical run of residential stairs is
13 ft
If a victim is present at the window throw the ladder to:
the side of the window
If ascdenigng to a roof place at least ___ rungs above the roofline
3 to 5
___ ft of safe working space is required around overhead lines
10
Any member operating on the aerial shall:
wear a ladder belt or a scott mult-use strap
During any recue operation involving the aerial or when personnel ascend the aerial and enter an IDLH the truck company operator should:
not leave the turntable
As a general rule if the apparatus is to be used for elevated master streams then it shall be:
parked ouside the collapse zone
Which of the following is not a main use efor elevated stream operations
resue
prior to charging the waterway drivers MUST
ensure that the pinable waterway is secured in the attack mode
If a large volume of fire is present on several floors, attack the fire:
on the lowest level first
regarding exposure protection the elevated master stream shall NOT:
be used to break windows or create openings
Elevated master streams can prevent auto exposure on a highrise up to:
150 ft
According to NFPA 1901 what is the minimum total ladder length to be carried on an aerial aparatus?
115
Truck companies carry a compliment of ladders consiting of straight ladders,roof ladders, extention, folding and ______.
Combination ladders
Where are heat labels supposed tp be located?
Below the 2nd rung and half way point
What is the primary reason for general laddering of a building?
Firefighter access and egress
