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What is the number 2 fatality related deaths of firefighters after cardiac arrest
Responding to emergencies
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Aerial apparatus can only be driven which way when loading hose
Forwards
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What percentage of firefighters deaths are caused by vehicle collision going to a call
20 to 25%
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Snow chains may not be effective in depth of what
3-6 inches
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What type of testing is used to test aerial
Load test
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What uses soundwaves to test aerial
Ultrasonic testing
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Air leakage should not be more than how many psi per minute
2
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Nondestructive testing of apparatus is done how often
Five years
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Portable lights use wattage
300 to 1000
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Fixed lights use what wattage
500 to 1500
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Control pedestals are usually how tall
3 1/2 feet
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What are used to extend the third fourth and fifth section of most Aerials
Aircraft quality cables and pulleys made of high-strength steel cured plow still
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What is the oldest pre-piped Aerial waterway
Bed ladder pipe
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Telescoping waterways are made out of what type of steel are what size an can flow how much water
Aluminum, 4 inches, 1000 GPM
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Some articulating platforms are capable of telescoping how many feet
55 to 85 feet
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Can A heat reflective shield lose ability to reflect heat
Through age dirt and damage
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Truck companies are required to carry what 3 ladders at a minimum
Attic ladder, roof ladder, extension ladder
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Portable generators are capable of supplying
10,000 W
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Vehicle mounted generators usually supply
12,000 W
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Rescue vehicles supply how many watts
50,000
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What is the maximum flow of water towers and the common heigh
1000 to 5000 GPM 50 to 130ft
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Fog curtain nozzles on aerial platforms flow how many gpm
75
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Elevating platforms must have a minimum load capacity of what without water, and how much one waterway is charged
750 lbs, 500lbs
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What is the minimum square ft of the floor area on a platform
14
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Rails on a platform may have no opening larger than what
24 inches
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What are the most common materials for building aerial ladders
Aluminum alloy and steel
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What are the three main components of a hydraulic system
Hydraulic fluid, pump, reservoir
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What types of pumps are used a hydraulic pumps
Rotary vein or rotary gear
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How is Aerial platform height measured
We extended an elevated from the ground to the highest rung
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What is the most common aerial ladder platform apparatus in service
Straight Chasisi, three axle vehicle with rear mounted Aerial
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What is a foot plate
4 inch metal plate that runs around bottom edge of platform
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The latter must be positioned how for a ladder pipe to be used
Between 70 to 80°
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Elevating platform water systems are capable of how many GPM
2000
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How many watts is Aerial inverter capable of supplying
5000
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The aerial platform must be capable of supplying how many GPM at any position
1000
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Platforms 110 feet or shorter must be able to be raised extended and rotated 90 degrees in how many seconds? What is the requirements for more than 110ft
150 and no requirements
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If engine must be left idling a long time what should the RPMs be set on
900 to 1100 high idle
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At highway incidents additional vehicles should be parked how far behind other vehicles for shielding apparatus
150 to 200ft
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Railroad companies advise vehicles to stay how far away from tracks and above
25 ft
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The maximum loading for any unsupported aerial occurs at what angle
70 to 80°
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If Aerial device Is used for horizontal ventilation how is it placed
Upper corner of the Upwind side
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Ground ladders should extend how far past roof level
6 ft
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How should the platform be placed in conjunction with roof
With the floor of the platform level with a roof
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What is a blitz attack
A large diameter stream spraying from the exterior into the building
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What is ice shrugging
Moving aerial in and out to remove ice
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How far should the aerial maintain away from electrical lines
10 feet
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Apparatus in staging should do what
Shut off engine and lights
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What are the main tactical uses for any aerial
Rescue, access to upper levels, ventilation, fire suppression
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How do you approach a rescue with an aerial
Up wind and above
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Stabilizer pads are usually how big
24 by 24 in
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What are the different types of stabilizers
Straight down, box type, or fulcrum (a frame)
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When stabilizing a tiller what is the best angle of stability for the tractor trailer? Good stabability occurs at angles up to what?
60° /90 degrees
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Never stabilize a tiller at an angle greater than what
90°
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Do not operate an aerial device in winds greater than what
40mph
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A steady load constant or gradual
Static load
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One cubic inch of ice weighs
.3 lbs
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What is the best way to apply blitz attack
Deflect water off ceiling the fire room at an angle of 30° through the window
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Water adds how much weight to a structure
1 ton per minute for every 250gpm
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When putting firefighters on a roof with an aerial ladder extend fly how far
6 feet above the edge of the roof
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When performing a rescue through window place what part of the ladder on the windowsill
First rung
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When rescuing a victim with an aerial platform what do you do
Place top rail of aerial even with the windowsill
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When rescuing a victim from a Hi rise how do you position apparatus
Perpendicular to the window
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What is the main objective when using Aerial apparatus for rescue
Reach as many victims or point of egress as possible with minimum number of Aerial movements
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Nort American ladders range from what height? And across seas they can reach what?
50 to 135 ft / 200ft
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Aerial ladder platforms range in what size
85 to 110ft
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Common sizes of telescoping aerial platforms are what
75 to 100 ft
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Telescoping aerial platforms have 2 or more sections made of what kind of construction
Box beam or tubular truss beam construction
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Bottom section of the ladder is called
Base or bed
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Most telescoping waterways are capable of flows of what
1000gpm
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Detachable ladder pipes are typically limited to flows less than what
750gpm
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Most detachable ladder pipe appliances restrict sideways movement of nozzle to what? They should operated at a ladder position of what?
15 degrees in either direction... 70 to 80 degrees
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Air pressure warning should sound when
By 60 psi
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How much longer does it take to stop on snow and ice
3 to 15 times
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When providing access for Ventilating a flat roof the driver should position the aerial where?
On the unburnt side of the building as close as possible to the area being ventilated
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Aerial ladders should be extended how far past roof level for ventilation
6 ft
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Elevated streams are most commonly used in what
Defensive operations
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The aerial apparatus is most stable when?
When the aerial is operated directly over the apparatus
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When operating an aerial on an incline always have the ladder?
Running uphill
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The maximum loading for any unsupported aerial occurs at what angle?
70 to 80 degrees
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All units in the staging area should leave there lights off except
Staging area manager
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All apparatus should be kept outside dike area except
If dike has a road on it but it must be continuously monitored
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Stabilizers should be used when
Everytime
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Pneumatic systems require what psi for pto to be operated
50 to 140psi
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Most common type of stabilizer
Box type
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Correction of lateral unevenness can be achieved on grades of what
5 to 6 %
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If operating sideways on a hill which side should the aerial be operated on
Operated on the high side running uphill
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Aerial ladder tip should be how far hovering above building and allowed to settle onto building when firefighters near the top
4 to 6 inches
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When should guy ropes be used
Winds exceeding 35 mph and when extending the ladder more than 75ft
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What can be applied to help prevent ice buildup on aerials
Grease
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What are the 2 types of articulating aerial apparatus
Water towers and aerial platforms
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Overall plan for incident attack and control
Strategy
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Transfer of heat by the movement of heated fluids or gases usually in an upward direction
Convection
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The speed with which fluid travels
Velocity
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Velocity is increased beyond the normal limits refresh and become so great that the entire stream is agitated by resistance this is called
Critical velocity
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I was larger than what cannot be used for headlines
3 inch
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Valve on water mains should be operated how often
At least once a year
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Standard articulating aerial platforms range in what height
55 to 85ft
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Parking brake should hold on what grade
20%
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Most commonly used test on Aluminum aerial
Hardness testing
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Greatest stab abilities occur at what angle for tillers
- 60 degrees
- Good stab ability up to 90 degrees
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What are the three types of elevated masters streams
- Ariel ladders with Piped waterways and water towers
- Ariel ladders with detachable waterways
- Elevating platforms
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What is a hot shift PTO
Engaged when transmission is in neutral
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What is the most common type of Ariel fire apparatus in North America
Aerial ladder apparatus
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Qualifications for to be a quint
Size of pump, size of tank, amount of hose, type of ground ladders, prepiped waterway
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Hydraulic hose must withstand a pressure of how many times greater than what needed
4
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Checking tires with a mallet is called what
Rapping
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Turns light on at various intervals
Load sequencer
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Shuts off lights when needed
Load shedding
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What type of test in spec’s welds
Magnetic particle inspection
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What type of test are done through registering hardness of aluminum ladders
Conductivity readings
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Tess ladder with dye under ultraviolet light
Liquid penetrating test
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Test with high frequency sound waves on bolts and hinges
Ultrasonic testing
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Uses soundwaves to inspect at a distant point
Acoustic emission inspection
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What type of test is done by department once delivered
Acceptance test
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Piercing nozzles on water towers are capable of what flow
300 GPM
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If slack adjusters on brakes are more than what they need to be adjusted
1 inch
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Emergency vehicles should travel how far apart
300 to 500 feet
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What are the three types of aircraft emergencies
Emergencies with extrication, extrication with fire, non-incident aircraft fires
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Jumbo jet blast off area
275 wide 1600 long
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Medium size jet blast off area
150 wide 1200 long
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Executive jet blast off area
80 wide 500 long
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And articulating aerial devices are operating on a grade or should I be operated
Off the back
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When operating over sides on grades what are the weight restrictions
Half
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When operating with manual stabilizers if I lift off the ground is this normal
Yes
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The smaller the angle on a tiller
The greater the stability
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When there is only one firefighterWhat should he do with going down a ladder with a victim
Lead the victim
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What is the best method used to help larger victims down Ariel
Knee sit method
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What is the best type of device for below grade rescue
Three boom articulating aerial platform
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Three types of elevated water delivery system
Aerial ladder with piped waterways and water towers, Ariel letters with detachable waterways, elevating platforms
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What is the rule of thumb for ladder pipe usage
75° angle 80% extended 80 psi nozzle
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Most aerial devices or discharge non-areated foam like what
AFFF
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Truck should be operated in what position to reduce stress
Uphill with Ariel in line
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What can be used to deice Aerials
High-pressure steam and liquid thing agents like used on aircraft
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Auxiliary pump’s for Aerials should not be operated for more than how long
One minute
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Never pass up a true rescue to do what
Rescue a panic person in a safe area
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What is the first priority on a rescue
People in greatest danger
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Second priority on a rescue
If two groups of people are an equal danger rescue the group with the most people first
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Third priority on rescue
Remaining people in fire area
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Fourth priority on rescue
People in exposed area
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How long to you wait to check oil pressure
5-10 seconds
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How far must you stay away from cones on crossover exercise
4 inches
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Factors that work against aerial device
Stresses
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