NCCCO CORE EXAM 2023-2024 ACTUAL EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS) GRADED A+
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
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
, NCCCO CORE EXAM 2023-2024 ACTUAL EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS) GRADED A+
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
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
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%
, NCCCO CORE EXAM 2023-2024 ACTUAL EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS) GRADED A+
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 power lines
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
What is the best procedure to follow when underground utilities may be present - Answer-
Contact local utility company
When using cable or nylon spreaders it is important to remember - Answer- The lower the
spreader angle the greater the tension
When is spinning load presents a danger the operator should - Answer- Use a tagline
Parts of line means - Answer- The number of lines running through the load block
A sudden start or stop while operating a crane produces - Answer- A dynamic load
What percent of a cranes rated capacity is it classified as a critical lift - Answer- 75%
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