ISA Aerial Lift Specialist Practice Questions - ISA Certified Tree Worker Aerial Lift Specialist Exam

Before raising the boom, what ground condition must the operator verify to keep an aerial lift stable?

That the surface is firm, level, and capable of supporting the device and outriggers That the ground is moist to improve traction That the truck is parked on a slope facing downhill That at least one outrigger remains retracted for mobility

Correct Answer:

That the surface is firm, level, and capable of supporting the device and outriggers

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