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NCCCO Telescopic Boom Crane Operator Exam Review ( Update / ) Questions with Answers ( )
Question:
Purpose of the boom length indicator
Answer:
It indicates the extended length of the boom.
Question:
Maximum ground-bearing pressure occurrence
Answer:
Maximum ground-bearing pressure occurs when the load is over a corner.
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Question:
Capacity reduction of erected telescopic boom extension
Answer:
An erected telescopic boom extension becomes a capacity reduction when it is not used to make the lift.
Question:
Luffing jib
Answer:
An attachment that can change radius independent of the main boom.
Question:
Item not permissible to remove from carrydeck crane
Answer:
Boom.
Question:
If outriggers aren't quite fully extended, which load capacity chart should you refer to before lifting operations?
Answer:
On rubber chart 2 / 3
Question:
Under what circumstance(s) is it okay to block under the outrigger beams?
Answer:
It is never acceptable
Question:
Any type of improper blocking or cribbing such as span blocking must reduce
crane capacity by:
Answer:
50%
Question:
Which area of the crane must be barricaded?
Answer:
Working radius
Question:
Prior to crane set up on jobsite, who should you check with for any under ground lines and/or vaults?
Answer:
Local utilities
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