NCCCO Core questions with correct answers

Wire rope installed on most cranes - Answer 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? - Answer 6 Minimum design factor required for a right regular lay, boom or hoist wire rope - Answer 3.5 How many broken wires are permitted at the end connection of a pendant before it must be taken out of service - Answer 1 Type 1 rotation resistant hoist wire rope has a design factor of: - Answer 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 - Answer 3 How many randomly distributed broken wires in rotation resistant hoist wire rope are considered for replacement - Answer 2 broken wires in 6 rope diameters Should the load be applied when determining the proper boom angle - Answer Yes When lifting loads on tires, cranes are rated at what percentage of tipping? - Answer 75%