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NCCCO CORE EXAM QESTIONS AND ANSWERS 2025.
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NCCCO CORE EXAM QESTIONS AND ANSWERS 2025.
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1NCCCO CORE EXAM QESTIONS AND ANSWERS 2025
If taking sides strain on a boom what concerns the operator
the most - ANSWER >>>>Boom damage
If a crane load chart has capacities listed in the shaded area
this means that - ANSWER >>>>If overloaded structural
confidence will be compromised
As the layers of rope on a drum increase the allowable line
Pull wil - ANSWER >>>>Decrease
Of the following actions which one will most likely cause a
side load condition - ANSWER >>>>Abruptly starting or
stopping the swing
Cording to OSHA with any hook ball or attachment at its
lowest point a minimum of blank reps must remain on the
drum at all times - ANSWER >>>>2
What is the minimum distance of crane must maintain from
powerlines rated below 50 KV - ANSWER >>>>10 feet
What is the best procedures to follow if underground utilities
are present - ANSWER >>>>Contact utility company
For boom is reeves eccentrically to the block the most
common result would be - ANSWER >>>>Twisting of the
boom
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,2
What is the safety factor for 6 x 19 IWRC wire rope -
ANSWER >>>>3.5-1
What is the safety factor for rotation resistor wire rope -
ANSWER >>>>5-1
What is the safety factor for rigging hardware - ANSWER
>>>>5-1
What is the safety factor one hoisting personnel using IWRC
wire Rope - ANSWER >>>>7-1
What is the safety factor hoisting personnel using rotation
resistance wire rope - ANSWER >>>>10-1
Unless the manufacturer states otherwise the wind speed to
seize hoisting Shall be - ANSWER >>>>30 mph
When hoisting personnel OSHA requires wind speed not to
exceed - ANSWER >>>>20 mph
Who has the responsibility of determining the correct weight
of the load - ANSWER >>>>Supervisor
When an operator leave there a crane they must - ANSWER
>>>>Land load engage all locks and Pawls and lock machine
When is it safe to work closer than alarm for distance from
any powerline - ANSWER >>>>When the utility company
certifies that the lines are D energized
When operating a crawler crane what is the most unstable
allowable quadrant of operation - ANSWER >>>>Side
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,3
What is not a good location for crane set up - ANSWER
>>>>Above utilities
If an operator arrives at a job site and the crane is already set
up how would he checked the main an auxiliary breaks -
ANSWER >>>>Left the load a few inches off the ground and
test the brakes
Tipping capacities for crawler cranes are based on -
ANSWER >>>>75%
The term load radius is best defined as - ANSWER >>>>The
distance from the center of rotation of the crane to the center
of gravity of the suspended load
Should the load be applied when determining the proper
boom angle - ANSWER >>>>Yes
When telescoping the boom section of a rubber tire which
section should be telescoped first - ANSWER >>>>All
sections should be telescoped equally
Hooks must be discarded if a twist more than is found -
ANSWER >>>>0 degrees
Hooks must be discarded if a throat opening of more than is
found - ANSWER >>>>5°
Wire rope must be removed from service if any of the
following conditions exist - ANSWER >>>>Six randomly
distributed broken wires
Wear of more than 1/3 of the outside diameter
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, 4
three broken wires and one strand of one lay length
When arriving first on the job site the operator should first
determine the condition of the - ANSWER >>>>Access roads
Basket hitch is rated of a vertical hitch - ANSWER >>>>200%
How many broken wires must be present in one strand of one
lay for running wire rope to be removed from service -
ANSWER >>>>3
How many broken wires must be present in rotation resistant
wire rope to be removed from service - ANSWER >>>>2 in six
diameters
What is the minimum clearance needed between cranes
counterweight and any obstacle - ANSWER >>>>2 feet
To restrict access to a crane swing radius the operator must -
ANSWER >>>>Barricade the area around the crane
You should always have at least how many wraps on A hoist
drum - ANSWER >>>>2
When working around powerlines you must - ANSWER
>>>>Never stockpile material under powerlines
Maintain the correct distance according to the rated KV
Ground the crane with the proper grounding cable
Boom angle is best described as - ANSWER >>>>The angle
between the loaded boom and the horizontal
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