2026 STUDY GUIDE PRACTICE
QUESTIONS DETAILED SOLUTIONS
◉ Platform doors. Answer: Platform door should open inward except an
older models
◉ Elevating platforms minimum load capacity. Answer: Elevating
platforms minimum load capacity is 750 pounds when the aerial device
is fully extended. This load requirement drops to 500 pounds when the
water delivery system is charged.
◉ Protective waterfog curtain minimum flow rate. Answer: Protective
water fog curtain nozzle flow rate of at least 75 gallons per minute
◉ Fully extended working ft ranges. Answer: 50-137 feet
◉ Trunnion. Answer: In a hydraulic cylinder, the pivoting end of the
piston rod that is connected to the anchor ear by the heel pin.
◉ Hoisting Cylinder. Answer: Hydraulic cylinders used to lift the aerial
device from its bed to a working position. Also known as Elevation
Cylinder or Lift Cylinder.
, ◉ Aerial water delivery system. Answer: Must be able to discharge at
least 1000 GPM at 100 psi nozzle pressure at any position.
◉ Elevating platforms that are 110 feet or shorter should be able to be
raised from the bedded position to the maximum elevation and extension
and be rotated 90° in 150 seconds or less.. Answer:
◉ Huck Bolt. Answer: A mechanically applied rivet used in the
construction of some aerial devices. Huck bolts can only be removed by
drilling.
◉ water tower. Answer: Aerial device primarily intended for deploying
an elevated master stream; not generally intended for climbing
operations. Also known as elevating master stream device.
◉ Required minimum floor area of a platform.. Answer: 14 square feet.
◉ detachable ladder pipes are limited to flowing ___ GPM. Answer: 750
gpm
◉ Elevating Platform waterway system flow. Answer: Flows up to 2000
GPM
◉ Pierce nozzle on a water tower systems flow.... Answer: Up to
300GPM