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NCCCO Digger Derrick Operator Certification Exam ( Update 2025 / 2026) Questions and Answers ( )
Question:
What resource should be consulted to determine allowable wind speeds for a lift?
Answer:
Crane operators manual
Question:
While hoisting the anti-two block alarm sounds, what should be done?
Answer:
Stop hoisting and lower the load
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Question:
In mobile crane terminology, what is a jib?
Answer:
Extension of the boom
Question:
What should an operator do when worried about the safety of the operation?
Answer:
Stop operations and only continue when safety issues are cleared up
Question:
What does this signal mean?
Answer:
Extend
Question:
Blocking can be placed under outrigger beams.
Answer:
false
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Question:
What does this signal mean?
Answer:
move slowly
Question:
How should hydraulic boom sections be extended?
Answer:
Per manufacturers specifications
Question:
What must an operator do if communication with the signal person is disrupted?
Answer:
Stop operations
Question:
It is not necessary for the outriggers to remove all the weight from the tires.
Answer:
False
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