Nccco Core Exam Questions with
Complete Solutions3
Wire rope installed on most cra
nes - ANSWERS-Right Regular Lay
How many randomly broken wires in a lay length must there be on a mobile cranes hoist line
before it should be removed from service? - ANSWERS-6
Minimum design factor required for a right regular lay, boom or hoist wire rope - ANSWERS-3.5
How many broken wires are permitted at the end connection of a pendant before it must be
taken out of service - ANSWERS-1
Type 1 rotation resistant hoist wire rope has a design factor of: - ANSWERS-5 to 1
How many broken wires must be present in one strand of one lay for running wire rope to be
removed from service - ANSWERS-3
How many randomly distributed broken wires in rotation resistant hoist wire rope are
considered for replacement - ANSWERS-2 broken wires in 6 rope diameters
Should the load be applied when determining the proper boom angle - ANSWERS-Yes
When lifting loads on tires, cranes are rated at what percentage of tipping? - ANSWERS-75%
Complete Solutions3
Wire rope installed on most cra
nes - ANSWERS-Right Regular Lay
How many randomly broken wires in a lay length must there be on a mobile cranes hoist line
before it should be removed from service? - ANSWERS-6
Minimum design factor required for a right regular lay, boom or hoist wire rope - ANSWERS-3.5
How many broken wires are permitted at the end connection of a pendant before it must be
taken out of service - ANSWERS-1
Type 1 rotation resistant hoist wire rope has a design factor of: - ANSWERS-5 to 1
How many broken wires must be present in one strand of one lay for running wire rope to be
removed from service - ANSWERS-3
How many randomly distributed broken wires in rotation resistant hoist wire rope are
considered for replacement - ANSWERS-2 broken wires in 6 rope diameters
Should the load be applied when determining the proper boom angle - ANSWERS-Yes
When lifting loads on tires, cranes are rated at what percentage of tipping? - ANSWERS-75%