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67 Cards in this Set
- Front
- Back
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When stablizing a tractor-trailer aerial apparatus, the appartatus is most stable when the cabis jack-knifed how many degrees?
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60
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When performing horzonital ventilation, where should the ladder be placed?
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Upwind
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Test the driver's ability to turn the vehicle around in a confined area
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Confined Space Turnaround
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When victims are being removed from a window, the aerial ladder should be placed?
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with the first rung even with the sill
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When positioning the aerial for a victim in a window, the ladder should be…
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directed above the victim and lowered to them.
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When setting up the aerial, which grade is easier to compensate for?
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Lateral
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This test the driver's ability to maneuver the appartaus around obstruction in the road way. This test is done in both forward and reverse
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Serpentine Course
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Valves
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Control, direct, stop the flow of hydraulic fluid through the hydraulic system.
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The most stable operating position for an aerial device is?
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In-line with the longitudinal axis (i.e. over the front or back of the truck.
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Minimum square feet for a platform bucket?
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14 feet
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Theroretically what is the purpose of the outriggers?
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To widen the chassis of the apparatus.
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Failure to obey federal, state and local laws when driving a fire apparatus can lead to
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Criminal and Civil Prosecution
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After operating the aerial master stream, what must be done befire retracting the aerial?
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Drain the water from the aerial waterway.
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When identifying the operating height of an aerial device, the aerial is placed in this position?
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Maximum extension and maximum elevation.
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How is the operating height of an aerial ladder measured?
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from the ground to the first (tallest) rung.
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How is the operating height of an tower (bucket) measured?
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from thr ground to the top hand rail of the bucket.
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When the aerial is operating at a fire in a 5 story or LESS building where should the aerial be positioned?
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On the outside of the pumpers (Engines)
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When the aerial is operating at a fire in a 5 story or GREATER building where should the aerial be positioned?
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On the inside of the pumpers (Engines)
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When the pressure is released from the stablizers you should
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expect the apparatus to drop quickly.
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Checking the apparatus fluids should be done
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per department SOPs or Manufacture's recommendations.
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When backing an apparatus the spotter should, when possible
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use a portable radio
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The _____________ watches the electrial system for electrial overload
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Load Monitor
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When backing it is preferable to have ________ spotters
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2
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If the hydraulic system fails what is the first thing you should do?
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Evacuate the aerial device (remove individuals from the tip/bucket).
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Most manufactures recommend that when operating on a slop (hill) the _________ outriggers are deployed first
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Uphill
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All aerial platforms must have a minimum load capacity of _________
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750lbs.
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The distance from the the time the brakes are applied to when the rig stops is know as the
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Total Stopping Distance
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Hold down devices (Boom Locks) are use to
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keep the aerial device from bouncing while driving.
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When operating a articulating device, operators much be especially concerned with
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the knuckle
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What type of communication equipment is required at the tip of the ladder/bucket
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Hands free
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As the temperture drops the viscosity of the hydraulic fluid _______________ and slows overall operation.
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Increases
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When restoring or replacing parts on an apparatus, this is know as
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repair
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When operating a bucket for a rescue from a window, where should the bucket be positioned?
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with the top of the bucket even with the window sill
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What is the 75-80-80 Rule
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When setting up the aerial for master stream operations, the ladder should be placed at a 75 degree angle, 80 % extended, with 80psi at the smooth bore tip.
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If your aerial device comes in contact with a powerline, personnel can exit the turn table by
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jumping clear of the apparatus, landing with both feet at the same time
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When using the aerial device to remove a victim in a stokes basket and the stokes will not fit in the platform, you can
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lay it across the platform railings and secure it to the platform rails
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The Selector Valve is located
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either on the rear step or the drivers side mid-ship area of the aerial device.
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applying grease to the slideing areas of the extension device will assist
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in preventing ice adhesion
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why is hydraulic fluid used in aerial device systems
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it is compressible
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When using the auxiliary hydraulic pump it should be operated on a run/rest cycle of
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1 minute operating, one minute resting
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What is the most reliable method for determing wind speed
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utilization of a calibrated wind speed measuring device.
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What is the textbook's defination of a Blitz Attack
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When the aerial's master stream is placed even with the window sill spraying water up into the fire rooom, deflecting the stream off the ceiling.
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The diminishing clearance skill
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test the operators ability to navigate a through a narrow opening
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A "HOT-SHIFT" PTO
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can be engaged in neutral
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Ways to secure the outriggers
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Pins, Interlocks and holding valves
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When it is raining or the roads could have ice/snow on them it is a good idea to not use
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engine retarder
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Most failures of aerial devices are a result of
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improper loading of the ladder tip or platform and/or over extension at low angles.
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What is the purpose of the stablizer pads?
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to distribute the weight of the aerial over a larger area.
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When operating the aerial from the ground control station the operator must be
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standing on an anti-electrocution platform
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Specificaitons for Aerial Devices are outlined in
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NFPA 1901
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When conducting pre-plans special note should be taken of any
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obstructions or overhead power lines that will impact the positioning of the aerial device.
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Advantagers of an inverter
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Low to nonexistent noise during operation
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Disadvantage of an inverter
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limited mobility away from the vehicle
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Advantages of an onboard generator
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ability to generate over 12kw (12000w)
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Disadvantages of an onboard generator
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loud noise during operation
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What is non-distructive testing of an aerial device
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Testing that must occur every 5 years and includes Magnetic particle inspection, conductivity readings, ultrasound testing, x-ray testing, etc..
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How often must a ladder be inspected and tested
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every year
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NFPA 1901 requires all aerials to be equipped with
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a communications system
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When placing a aerial ladder to the roof, the ladder should be positioned
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six feet above the roof line
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Driving to fast in a curve can cause
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excessive weight transfer for the apparatus which could result in loss of control of the apparatus.
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How much "play" is allowed in the steering wheel
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10 degrees
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What are the three types of stablizers?
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Post type - they extend straight down, A Frame - the extend down and away, Box Type - They extend out and then down.
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What is the least stable positioning for an aerial device?
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When the device is perpendicular to the apparatus (Off the left or right sides).
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Lugging
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When the accelerator is fully depressed and the apparatus has no power. Usually occures when driving up a hill.
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The easiest way to remove a victim in a stokes basket for a Aerial ladder?
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Slide the stokes down the ladder, between the rails.
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Hoisting cyclinders are also know as
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elevation cylinders
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Hydraulic hoses must have a safety ratio of
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4:1 (0.250)
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