NCCCO CORE EXAM 2023-2024 ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS VERIFIED ANSWERS GRADED A+

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 - ANSWERDecrease
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 - ANSWERContact 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 - ANSWERSupervisor
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 - ANSWERWhen 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%
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