IFSTA AERIAL OPERATOR STUDY GUIDE QUESTIONS CH. 1-7 EXAM REVIEW 2025 ___: the fully extended length of the ladder. - ANS-The working height _____: provides the primary function of providing continuous rotation of the aerial device on a horizontal plane. - ANS-Turntable the working height of north American-made aerial ladders range from ___ to ___ feet. - ANS-50 to 135 feet The working height for aerial ladders is measured from: - ANS-the ground to the highest ladder rung with the ladder at maximum elevation and extension The main uses of aerial ladders are: - ANS-rescue, ventilation, elevated master streams application, and gaining access to upper levels Apparatus equipped with steerable rear wheels on the trailer: - ANS-tractor-trailer aerial (tiller trucks) In general, tractor-trailer trucks are ___ maneuverable that single-chassis vehicles. - ANS-More maneuverable ____ consist of an assembly of bars or rods to form a rigid framework. - ANS-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. - ANS- Continues...
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