NCCCO Test Questions and Correct
Answers
4. Regular constructed crane hoist wire rope shall be taken out of service when any of the following
conditions exist - Answer-a. In running ropes, six randomly distributed broken wires in one lay b. Three
broken wires in one strand in one lay C. Wear of one-third the original diameter of outside individual
wires d. All of the above (answer: d)
5. What is the safety factor for rotation resistant hoist wire rope? - Answer-5.0 to 1
6. What is the safety factor for regular lay hoist wire rope? - Answer-3.5 to 1
10. What is the SWL of RRL 6x25 IWRC Hoist Wire Rope? - Answer-3.5 to 1
11. What is the SWL of boom hoist wire rope? - Answer-3.5 to 1
14. Standing wire ropes must be replaced if they have more than how many broken wires in one stand? -
Answer-A. Three
B. Five
C. Four
D. All of the above ( answer: D)
, 20. What is the minimum design factor required for right regular lay main, boom or auxiliary hoist rope?
- Answer-3.5 to 1
32. According to ASME B30.5 mobile crane standard, how many randomly distributed broken wires in
rotation-resistant hoist wire rope is cause for considering replacement of the rope? - Answer-2 broken
wire in 6 rope diameter
67. The rated capacity indicator has been designed to: - Answer-Provide the operator with information
regarding the boom length, boom angle, boom tip height, working radius, rated load and total calculated
weight being lifted by the crane.
75. What is the safety factory required when using rotating resistant wire rope and lifting a personal
platform? - Answer-10
76. A stable load is one in which the center of gravity of the load is directly below the main hook and is: -
Answer-Below the lowest point of attachment of the slings.
81. Wire rope slings must be taken out of service when: - Answer-Five our more broken wires are found
in one strand of one rope lay.
92. what is the correct procedure when placing a shackle on a crane hook? - Answer-Place the shackle
pin in the hook
97.A regular lay wire rope has strands and wires in the strands that - Answer-Are laid in the opposite
directions
101. The crane center of gravity will vary the most while swinging from rear to side to front with which
type of machine? - Answer-Truck cranes
Answers
4. Regular constructed crane hoist wire rope shall be taken out of service when any of the following
conditions exist - Answer-a. In running ropes, six randomly distributed broken wires in one lay b. Three
broken wires in one strand in one lay C. Wear of one-third the original diameter of outside individual
wires d. All of the above (answer: d)
5. What is the safety factor for rotation resistant hoist wire rope? - Answer-5.0 to 1
6. What is the safety factor for regular lay hoist wire rope? - Answer-3.5 to 1
10. What is the SWL of RRL 6x25 IWRC Hoist Wire Rope? - Answer-3.5 to 1
11. What is the SWL of boom hoist wire rope? - Answer-3.5 to 1
14. Standing wire ropes must be replaced if they have more than how many broken wires in one stand? -
Answer-A. Three
B. Five
C. Four
D. All of the above ( answer: D)
, 20. What is the minimum design factor required for right regular lay main, boom or auxiliary hoist rope?
- Answer-3.5 to 1
32. According to ASME B30.5 mobile crane standard, how many randomly distributed broken wires in
rotation-resistant hoist wire rope is cause for considering replacement of the rope? - Answer-2 broken
wire in 6 rope diameter
67. The rated capacity indicator has been designed to: - Answer-Provide the operator with information
regarding the boom length, boom angle, boom tip height, working radius, rated load and total calculated
weight being lifted by the crane.
75. What is the safety factory required when using rotating resistant wire rope and lifting a personal
platform? - Answer-10
76. A stable load is one in which the center of gravity of the load is directly below the main hook and is: -
Answer-Below the lowest point of attachment of the slings.
81. Wire rope slings must be taken out of service when: - Answer-Five our more broken wires are found
in one strand of one rope lay.
92. what is the correct procedure when placing a shackle on a crane hook? - Answer-Place the shackle
pin in the hook
97.A regular lay wire rope has strands and wires in the strands that - Answer-Are laid in the opposite
directions
101. The crane center of gravity will vary the most while swinging from rear to side to front with which
type of machine? - Answer-Truck cranes
