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NCCCO CORE EXAM QUESTIONS AND CORRECT ANSWERS 2025
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NCCCO CORE EXAM QUESTIONS AND CORRECT ANSWERS 2025
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NCCCO CORE EXAM QUESTIONS AND CORRECT ANSWERS 2025What was the result of boom deflection be
✓ Increased Boom radius
When a crane is out of level by 1° it will lose the most capacity at what configuration
✓ Long boom minimum radius
What is the purpose of using a spreader beam
✓ Support long hard to control loads
Which of the following actions is most likely to cause two blocking
✓ Telescoping the boom out
When is it safe to handle loads under powerlines
✓ The load know where any part of the crane can come closer than regulations allow
When working your power lines tag lines and slings should be constructed of
✓ Probably propylene or polyethylene and webbing because they offer a fair insulating
properties
P a g e 1 | 50
,When reading a load chart the listed capacity has an Asterix next to it this means
✓ The capacities are based on the cranes structural competence
Pick can be made with the intermediate outriggers
✓ If there is a load chart for intermediate Outrigger work
The main boom angle minus the gym offset would equal
✓ Jib angle to the ground
You can use the range diagram to determine the
✓ Radius of unloaded boom
Cranes on our acres are based on what percentage of stability
✓ 85%
Cranes on crawlers are based on what percentage of stability
✓ 75%
If a crayon is two blocked what functions should the anti-two block prevention system let you operate
✓ Boom up hoist down telescope in
P a g e 2 | 50
,Of the following conditions what condition LMI not warn you of
✓ Out of level
When operating a crane of a capacity of 25 tons or less on a barge the maximum list or trim is
✓ 5°
When operating a crane over 25 tons on a barge the maximum list or trim is
✓ 7°
When operating a crane on a barge the crane must be
✓ Secured to the barge
When using a four legged bridle the capacity is calculated using
✓ Three legs
On a standing wire rope broken wires Adam and connection means the rope must be replaced
✓ Two
Line pull is
✓ The amount of weight a drum will hoist for a given layer
P a g e 3 | 50
, Backward stability on a mobile crane can become an issue when the crane is working
✓ Over the side at a minimum radius
Rotation resistant wire rope requires a higher safety factor because
✓ Internal damage occurs
Timber mats work best when they are
✓ Bolted together
Blocking under floats shall be
✓ Sufficient to support the crane and the load
When operating a crane with a long boom on uneven ground you should
✓ Block under the pad and keep a 90° angle between the cylinder rod and pad
When booming down a rough terrain crane and extending out Riggers from the cab you should
✓ Post a signal person
One swing a suspended load on any crane with crawlers the most ground pressure will be exerted
✓ Over the corner
A luffing jib on a conventional or hydraulic crane will
P a g e 4 | 50
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