First check
Direct answer
Check the operator manual, control labels, function test, site setup, signalperson communication, and whether the operator is trained and authorized. Only trained, authorized operators should operate cranes. Use the crane manual, employer procedure, lift plan, and qualified signalperson.
How to use this answer
Read the answer once, then prove it by choosing an answer in a practice question before looking at the explanation. If the miss repeats, tag the domain as Crane controls and drill a smaller set before returning to mixed practice.
Prep path
NCCCO Study Guide
Independent NCCCO study guide for mobile crane core concepts, load charts, rigging, site setup, and safety practice.
SamplesNCCCO Sample Questions
Public NCCCO Practice Test sample questions with explanations.
PracticeOpen NCCCO Practice Test
Start with the 15-question free set before deciding whether to unlock the paid bank.