NCCCO Digger Derrick Practice Questions - NCCCO Digger Derrick Operator (DDO) Certification Exam

The swing radius of a digger derrick refers to the:

Horizontal distance from the rotation centerline to the load hook Vertical distance from the boom tip to the ground Length of the auger when fully extended Distance the outrigger pads project from the truck frame

Correct Answer:

Horizontal distance from the rotation centerline to the load hook

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