Ch. 1-7 IFSTA Aerial Operator Questions
& Answers 100% Acculate
___: the fully extended length of the ladder. -ANSWER - The working height
_____: provides the primary function of providing continuous rotation of the aerial
device on a horizontal plane. -ANSWER - Turntable
the working height of north American-made aerial ladders range from ___ to ___ feet. -
ANSWER - 50 to 135 feet
The working height for aerial ladders is measured from: -ANSWER - the ground to the
highest ladder rung with the ladder at maximum elevation and extension
The main uses of aerial ladders are: -ANSWER - rescue, ventilation, elevated master
streams application, and gaining access to upper levels
Apparatus equipped with steerable rear wheels on the trailer: -ANSWER - tractor-trailer
aerial (tiller trucks)
In general, tractor-trailer trucks are ___ maneuverable that single-chassis vehicles. -
ANSWER - More maneuverable
____ consist of an assembly of bars or rods to form a rigid framework. -ANSWER -
Trusses
trusses may be constructed by several methods, but engineering design has proven hat
trusses lend more strength if their assembled members form ___ or a combination of
triangles. -ANSWER - Triangles
NFPA 1901 requires that aerial ladders have at least two sections and a minimum reach
of ___ feet. -ANSWER - 50 feet
The bottom section of the aerial ladder is referred to as the __ section. -ANSWER -
Base (bed) section
The two most common materials for construction of aerial ladders are: -ANSWER -
heat-treated aluminum alloy and steel
The three main portions of an aerial ladder to which firefighters and driver/operators
commonly refer to are: -ANSWER - the base rails, the top rails, and the rungs
, The ___, commonly referred to as the beams, are the lower chords of the aerial ladder
to which the rungs, trussing, and other portions of the ladder are attached. -ANSWER -
Base rails
The ____, also known as the handrails, are the top chords to which the opposite ends of
the trussing are attached. -ANSWER - Top rails
The ___ are the portions that are attached between the two base rails and are used as
steps for personnel on the aerial ladder. -ANSWER - Rungs
NFPA 1901 requires that no section of the aerial ladder be narrower than ___ inches. -
ANSWER - 18 inches
The rungs should be spaced on ____ centers and be covered with a nonskid finish. -
ANSWER - 14-inche
The top (hand) rails must be at least __ inch(s) wide and at least ___ inches above the
base rail. -ANSWER - 1 inch wide at at least 12 inches above base the base rail
NFPA 1901 requires that an aerial ladder rated with a vertical high of ____ or less, with
stabilizers set, shall be capable of being raised from the bedded position to its maximum
elevation and extension and rotated 90° in ___ seconds or less. -ANSWER - 110 feet or
less, 120 seconds or less.
NFPA 1901 requires an aerial ladders 110 feet or greater to go from bedding to
maximum elevation and extension and rotated 90° in ____ seconds. -ANSWER - 180
seconds
All aerial ladders manufactured since 1991 must have a minimum tip load of ____
pounds when the ladder is fully extended and at any elevation within its normal range of
motion. -ANSWER - 250 pounds
The three distinct types of aerial devices are: -ANSWER - aerial ladder platforms,
telescoping aerial platforms, and articulation aerial platforms.
A _____ system is required so that the platform's position is horizontal to the ground at
all times. -ANSWER - Platform leveling system
The required minimum floor area of a platform is ___ square feet. -ANSWER - 14
square feet.
Each platform must have a rail completely enclosing it with no opening under the railing
greater than ___ inches. -ANSWER - 24 inches
A ___ prevents a firefighter's feet from sliding off the platform in case of a slip or fall. -
ANSWER - Kickplate
& Answers 100% Acculate
___: the fully extended length of the ladder. -ANSWER - The working height
_____: provides the primary function of providing continuous rotation of the aerial
device on a horizontal plane. -ANSWER - Turntable
the working height of north American-made aerial ladders range from ___ to ___ feet. -
ANSWER - 50 to 135 feet
The working height for aerial ladders is measured from: -ANSWER - the ground to the
highest ladder rung with the ladder at maximum elevation and extension
The main uses of aerial ladders are: -ANSWER - rescue, ventilation, elevated master
streams application, and gaining access to upper levels
Apparatus equipped with steerable rear wheels on the trailer: -ANSWER - tractor-trailer
aerial (tiller trucks)
In general, tractor-trailer trucks are ___ maneuverable that single-chassis vehicles. -
ANSWER - More maneuverable
____ consist of an assembly of bars or rods to form a rigid framework. -ANSWER -
Trusses
trusses may be constructed by several methods, but engineering design has proven hat
trusses lend more strength if their assembled members form ___ or a combination of
triangles. -ANSWER - Triangles
NFPA 1901 requires that aerial ladders have at least two sections and a minimum reach
of ___ feet. -ANSWER - 50 feet
The bottom section of the aerial ladder is referred to as the __ section. -ANSWER -
Base (bed) section
The two most common materials for construction of aerial ladders are: -ANSWER -
heat-treated aluminum alloy and steel
The three main portions of an aerial ladder to which firefighters and driver/operators
commonly refer to are: -ANSWER - the base rails, the top rails, and the rungs
, The ___, commonly referred to as the beams, are the lower chords of the aerial ladder
to which the rungs, trussing, and other portions of the ladder are attached. -ANSWER -
Base rails
The ____, also known as the handrails, are the top chords to which the opposite ends of
the trussing are attached. -ANSWER - Top rails
The ___ are the portions that are attached between the two base rails and are used as
steps for personnel on the aerial ladder. -ANSWER - Rungs
NFPA 1901 requires that no section of the aerial ladder be narrower than ___ inches. -
ANSWER - 18 inches
The rungs should be spaced on ____ centers and be covered with a nonskid finish. -
ANSWER - 14-inche
The top (hand) rails must be at least __ inch(s) wide and at least ___ inches above the
base rail. -ANSWER - 1 inch wide at at least 12 inches above base the base rail
NFPA 1901 requires that an aerial ladder rated with a vertical high of ____ or less, with
stabilizers set, shall be capable of being raised from the bedded position to its maximum
elevation and extension and rotated 90° in ___ seconds or less. -ANSWER - 110 feet or
less, 120 seconds or less.
NFPA 1901 requires an aerial ladders 110 feet or greater to go from bedding to
maximum elevation and extension and rotated 90° in ____ seconds. -ANSWER - 180
seconds
All aerial ladders manufactured since 1991 must have a minimum tip load of ____
pounds when the ladder is fully extended and at any elevation within its normal range of
motion. -ANSWER - 250 pounds
The three distinct types of aerial devices are: -ANSWER - aerial ladder platforms,
telescoping aerial platforms, and articulation aerial platforms.
A _____ system is required so that the platform's position is horizontal to the ground at
all times. -ANSWER - Platform leveling system
The required minimum floor area of a platform is ___ square feet. -ANSWER - 14
square feet.
Each platform must have a rail completely enclosing it with no opening under the railing
greater than ___ inches. -ANSWER - 24 inches
A ___ prevents a firefighter's feet from sliding off the platform in case of a slip or fall. -
ANSWER - Kickplate
