Aerial Apparatus Flashcards
?s 1-52
Which is the most difficult and risky aerial ladder rescue technique?
Over-the-shoulder carry
Which is true with regard to deploying spotters for backup operations?
Spotters should be positioned in the vision of the driver/operator, preferably in the left rear view mirror
Which statement regarding ammeters is correct?
Indicates both the amount of current being drawn from the battery and being supplied to the battery.
When operating an aerial platform to a roof, it should be:
placed with the platform floor just above and over the edge of the roof.
Regarding backing an aerial apparatus from a roadway into a restricted space, the current NFPA 1002 Standard requires __________ degree right- and left-hand turns to be made.
90
The confined space turnaround exercise tests your ability to:
turn a fire department vehicle 180 degrees within a predetermined area.
Which statement about foam is true?
It works by separating, cooling, or suppressing.
Indications of heat damage to an aerial device include discoloration, disfigurement and:
deformed welds.
The electromagnetic retarder:
minimizes air brake pressure.
For midship-mounted aerial devices, _________ to the fire building is the preferred method for deployment.
backing in
The working height of an elevating platform is measured from the:
ground to the highest platform rail.
When performing horizontal ventilation from an aerial, it should be placed on the ______ of the window to be vented.
upwind side
During air brake tests, air compressor cut-out should occur between:
120-130 psi
Pneumatic systems require anywhere from _____ air pressure for the PTO system to be operated.
50 to 140 psi (350 kPa to 980 kPa)
Because of the size and clearance needed when backing up an apparatus, you should:
assign a FF to clear the way and warn you of any obstacle.
Based on the following illustration, when approaching from the DOWNHILL side in a REAR MOUNT Aerial, you should:
operate the aerial OVER THE FRONT.
The braking distance for the average automobile traveling 55 mph on dry, level pavement is approx. _____ feet, whereas the braking distance of a three-axle truck traveling under the same conditions is ___ feet.
165 ; 390
Most aerial apparatus are designed to operate on a lateral grade up to ____ degrees.
five
The preferred method is to operate the aerial _____ to the victim.
slightly above and then lowered
The purpose of any aerial apparatus stabilizer/outrigger system is:
widening the apparatus chassis.
Using the hand method, determine the pump discharge pressure required to supply the hose assembly.
170 psi
a mechanical problem develops during an aerial operation and you can no longer operate the aerial, the first course of action should be to:
evacuate the aerial device.
In general, the causes of fire apparatus collisions include excessive speeding, improper backing, lack of driving skills, reckless driving, and:
negligence.
A complete non-destructive inspection and testing of the aerial device must occur:
at least every five years.
During an annual pump test, an apparatus should deliver _____ of its rated capacity at 150 psi pump pressure for 20 minutes.
100%
Nozzle reaction is explained by the law of physics that states:
for every action there is an equal and opposite reaction.
When used in a relay pumping operation, the attack pumper:
determines the amount of water flow needed for the operation.
Which statement is true with regard to long idling of diesel engines on fire apparatus?
It results in excessive fuel consumption
How should the tiller operator’s hands be placed on the tiller steering wheel when backing?
The hands at the 4 o’clock and the 8 o’clock position with the palms of the hands face up.
In a rescue situation, the objective is to:
reach as many victims as possible.
You have responded to an emergency on a limited-access highway and your apparatus is not being used. You Should:
use the apparatus as a barrier by parking it 150 to 200 feet behind the apparatus being used.
The NFPA 1901 Standard requires aerial apparatus to carry a minimum amount of forcible entry equipment. The required forcible entry equipment is:
flat head axes.
Which is true regarding operations to be performed safely during the loading of fire hose while driving?
At least one member other than the driver/operator and the personnel loading hose must be assigned as a safety observer.
While responding to an emergency where all lanes of traffic are blocked in the same direction, you may:
move the apparatus into the opposing lane of traffic and proceed through the intersection at a reduced rate of speed.
Which is a method of removing ice so that shrugging off would be an option?
Chemical thawing agents
An apparatus equipped with a 1,000 gallon tank that is supplying two preconnected handlines, one flowing 150 gpm and another flowing 100 gpm, will supply the lines for only ___ minutes.
four (4)
When using an aerial apparatus for multiple victim rescue, it is best to set up upwind from the fire products and, if possible:
at the corners of the structure.
The distance a vehicle travels from the time the driver realizes the need to apply the brakes until it comes to a complete stop is:
total stopping distance.
The purpose of the confined space turnaround exercise is to simulate:
reversing the direction of travel of a vehicle in a narrow street.
A factor to be considered when determining the rate of application for fire fighting foam is the:
type of foam concentrate used.
The first step in raising an articulating aerial platform is to:
energize platform controls.
The stability of the aerial apparatus is increased if you position the apparatus body:
in a line with the expected position of aerial use.
The selector valve acts as an interlock to prevent both the _____ systems from operating at the same time.
stabilization and aerial device
Using an in-line eductor, the foam that is being generated is of very poor quality. Which is a common reason for the failure?
Flow through the eductor exceeds its rated capacity.
Which directs hydraulic fluid to either the stabilizer control valve or the aerial device control valves?
Selector valve
When protecting exposures, the preferred method of application for master streams is to:
place water directly onto the exposure.
The angle formed by level ground and a line from the point where the FRONT tires of a vehicle touch the ground to the lowest projections at the FRONT of the apparatus is the:
Angle of approach.
Blind and heavily traveled intersections should be approached and crossed:
only after a complete stop.
Apparatus tires should be inflated to the manufacturer’s recommended tire pressure, according to NFPA:
1911
An example of a polar solvent is:
acetone.
Proper _______ reduces out-of-service time.
lubrication
The foam application technique that directs the foam stream on the ground near the front edge of a burning liquid pool or spill is the:
roll-on method
