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86 Cards in this Set
- Front
- Back
All aerial apparatus should should meet the design requirements contained in NFPA ______
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NFPA 1901 Standard for Automotive Fire Apparatus.
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What are the five types of aerial devices that IFSTA recognizes?
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Aerial Ladders
Aerial Ladder Platforms Telescoping Aerial Platforms Articulating Aerial Platforms Water Towers |
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NFPA 1901 classifies aerial devices into what three catagories?
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Aerial Ladders
Elevating Platforms Water Towers |
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The fully extended height is also referred to as what?
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Working Height
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Aerial ladder height ranges?
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50' to 135'
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What are the main uses of aerial ladders?
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Rescue
Ventilation Elevated Master Stream Gaining access to upper levels |
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Who is responsible for the maintenance of aerial apparatus?
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Driver/operator
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How do departments record vehicle maintenance and inspection records?
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Written forms or computer programs
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What does the oil pressure gauge indicate?
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Adequate oil is being delivered to the engine
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What is an ammeter?
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A gauge that indicates the amount of current being drawn from the battery to operate the electrical equipment or the amount of current being supplied to the battery to charge it
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How often is equipment maintence performed?
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Daily, weekly, periodically and after each use
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What is driver reaction distance?
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The distance traveled while moving the foot from the accelerator to the brake
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What directly effects the distance required to stop a vehicle?
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Speed
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What safety item is the first priority by a driver/operator?
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Safety belts
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What is the result of engine rotation faster than the rated RPM?
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Injector seizures
Valves hitting pistons Increased oil consumption |
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The engine should be “cruised” at how many RPM’s below recommended RPM?
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200-300
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The operating temperature of a diesel engine is important: an engine that operates too cool will?
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Not be efficient
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What is the sufficient amount of warm-up time for an apparatus with a diesel engine when NOT responding to an alarm?
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3-5 minutes
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What does the ammeter indicate?
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The amount of current being drawn from the battery
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What do you need to back a vehicle?
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Need spotters
Need audibles Safer to drive around the block |
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When maneuvering a vehicle around obstructions on a roadway either in forward or reverse what should the driver/operator should consider?
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Vehicle dimensions
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What is the purpose of the confined space turn around exercise?
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Ensure the driver can turn 180 degrees
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Steering the apparatus in a straight line, stopping at a finish line and judging distances from wheel to object are what exercise?
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Diminishing-clearance
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When more than one emergency vehicle is responding, it is recommended that emergency vehicles maintain a vehicle-to-vehicle distance of AT LEAST?
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300-500 feet
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If a complete stop is not required, the driver/operator should approach and cross blind, well-traveled, intersections at a reduced speed of?
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15-20 mph
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When positioning the apparatus, it is better to avoid?
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Backing up
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What is the BEST way to apply the brakes when driving on snow or ice?
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Pump the brakes
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Slippery road conditions increase stopping distance by how much?
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3-15 times
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When a driver/operator encounters a motorist who ignores the approaching apparatus or refuses to yield, the BEST action is to
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Yield the right-of-way to the motorist
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Apparatus equipped with air brakes may have a dry road/slippery road brake limiting valve. When the brakes are applied with the limiting valve in the slippery road position, the pressure
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To the front brakes is less than the pressure applied to the back brakes
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What is not a basic concept of defensive driving?
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Adverse weather
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Where is the most likely place for a fire apparatus to be involved in an accident?
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Intersections
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Visual lead time interacts directly with what two things in defensive driving?
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Reaction times and stopping distances
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What is the first element in learning to drive a fire apparatus safely?
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Driver attitude
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Driving safely while responding to an incident is accomplished by using
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Safe driving techniques
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There is typically a wide variety of special systems and equipment commonly mounted on a fire apparatus. Most jurisdictions place the responsibility for operating these systems and equipment with who?
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Driver/operator
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Who services air filters as needed?
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Qualified service personnel
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How often does a driver/operator check power steering fluid level?
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Weekly
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Batteries produce what type of gas when they are being charged?
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Hydrogen
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How often should the water in the booster tank be changed?
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Monthly
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On what percentage of a grade are new aerial apparatus required to carry their full-rated capacity?
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6%
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When operating a fire department aerial apparatus on a downgrade, the driver/operator should do what?
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Select a lower gear before ascending and remain in gear at all times
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Where is the hydraulic oil pressure gauge located?
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Operators control panel
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Before the stabilizers on an aerial apparatus can be utilized, power must be transferred from the engine to the hydraulic system, this is done by engaging the vehicle’s
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PTO
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Exceeding the governed, normal operating pressure of the aerial device’s hydraulic system is prevented by the use of
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Relief valves
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One of the important valves in the hydraulic system is the
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Selector valve
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The rated capacity of an aerial platform is the safe carrying capacity in
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Any position
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Lateral unevenness of aerial apparatus is easier to correct than
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Longitudinal unevenness
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Aerial apparatus driver/operators must know what about the wind speed?
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Wind speed limitations of the aerial device
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When operating an aerial apparatus, a force which should be avoided because it imposes stresses several times greater than those applied normally is a
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Shock load
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The safest operation of an aerial device are best achieved with an adequate
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Training program and practice
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When an aerial device is raised and the load applied to the rungs of the ladder are not perpendicular to the rungs this will result in a
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Lateral forces on the aerial device
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What is the result of low atmospheric temperature on the aerial device?
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Slow overall performance
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Failure of the driver/operator of an aerial device to know the limitation of the device when operating on a grade may result in
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Injury or death to personnel working on or around the apparatus
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What device is used to lower the aerial ladder to its bedded position in an emergency situation
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Emergency lowering valve
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In order to prevent over pressurization of the hydraulic system, an aerial apparatus is equipped with hydraulic system
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Relief valves
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What is the purpose of the hold down locks on aerial apparatus?
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Lock down the ladder in travel mode
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Horizontal movements of a ladder pipe in excess of 15 degrees may be achieved by
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Operation of the turntable
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Most ladder pipes should not be operated from an angle greater than
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90 degrees
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What are a few hazardous conditions that can contribute to skidding or possible rollovers that a driver/operator can avoid?
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Harsh or abrupt steering action
Too much speed in turns Driving on slopes too steep for a particular apparatus |
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What factors equal the total stopping distance?
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Reaction time plus vehicle braking distance
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What is the procedure for starting an apparatus equipped with a diesel engine and automatic transmission?
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Be sure the gear selector is in the “park” or “neutral” position, the battery switch is turned to the “both” or “on” position, and turn the ignition key or press the start button to crank the engine
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As a general rule, when approaching an intersection, the driver/operator of an emergency vehicle will
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Slow to a speed that allows a stop if necessary
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Are TURNING CHARACTERISTICS critical to performing a 180 degree turn of a fire department apparatus in a confined area?
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NO
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Under emergency response conditions, the driver/operator must expect motorists to
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Neither hear nor see the apparatus warning devices
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What is the key to safe driving?
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Anticipation
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What action should a driver/operator take if a fire apparatus with a standard transmission begins to skid to the left on a rain slick road
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Remove the foot from the accelerator and turn the wheels to the left
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Under the current API engine service categories for automatic gasoline engines and commercial diesel engines, what is the use and definition for category CC
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Used for certain naturally-aspirated, turbocharged, or supercharged diesel engines operated in moderate-to severe-duty service and heavy-duty gasoline engines
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The BEST place to start a maintenance inspection of an aerial device is
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The control pedestal
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Leaking oil on the surface over which the wheels or rollers of an aerial ladder section move will cause the wheels or rollers to
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Slide and wear flat
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What does the Fire Equipment Manufacturers Association NOT do?
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Check for proper levels of all hydraulic fluids and engine oils, obtaining samples to be sent for chemical analysis
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A visual inspection of an aerial device is
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Not adequate
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Pressure test all brakes by
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Operating the foot pedal
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It is recommended that footplates be used underneath stabilizers
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Every time they are deployed
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What must the aerial ladder operator do immediately after the ladder is placed into position
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Engage the ladder lock
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What is the device used to transfer the center of gravity of the apparatus and prevent it from tipping as the aerial device is extended away from the centerline of the chassis
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Stabilizer
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The pressure of hydraulic fluid in an aerial device may reach
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3500 PSI
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All hydraulic systems on aerial devices have an
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Auxiliary hydraulic pump
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In order to operate the stabilizers the selector valve MUST be in the
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Stabilizer position
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Aerial apparatus driver/operator should always be alert for what when operating at the fire scene?
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Possible heat damage
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When operating an aerial apparatus, operators, regardless of skill, should avoid
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Full speed operating of any aerial movement
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In case of engine failure, most aerial ladder turntables are equipped with
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Secondary manual controls
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In case of leaks or blowouts, many new aerial apparatus hoisting cylinders are equipped with
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An integral safety valve
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Because the backward thrust of master streams may cause an excessive side twist to an extended aerial ladder, manufacturers limit the maximum horizontal movement on either side of center to
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15 degrees
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What is the effect of the backward thrust of master streams on an aerial ladder
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May cause an excessive side twist to an extended aerial ladder
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What is NOT a result of low coolant temperature
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Weakening of the valve springs
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