NCCCO test Questions and Complete Solutions Graded A+

NCCCO test Questions and Complete Solutions Graded A+ 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 A crane 3 degrees out of level will reduce the capacity by how much? - Answer: 50% How much does duty cycle work reduce the load chart by? - Answer: 20% How much do you reduce the rated capacity for personal platform? - Answer: 50% What is the SWL for personal platform with non rotation resistant cable? - Answer: 7 to 1 What is the SWL for personal platform with rotation resistant rope? - Answer: 10 to 1 Running ropes should be taken out of service when? - Answer: 6 random broken wires in one lay or 3 in one strand in one lay Standing rope should be taken out of service when? - Answer: 3 broken wires in one lay from the socket or more than one broken wire at the socket Standing rope safety factor? - Answer: 3 to 1 Running rope safety factor? - Answer: 3.5 to 1 Rotation resistant wire rope safety factor? - Answer: 5 to 1 Safety factor for non rotation resistant wire rope on personal platform? - Answer: 7 to 1 Safety factor for rotation resistant on personal platform? - Answer: 10 to 1 The term requirement means what according to ASME standards? - Answer: Shall/ must do The term recommend means what according to ASME standard? - Answer: Should How far should a drum flange extend past the cable? - Answer: Half inch What is the boom hoist drum ? - Answer: 15 x the rope diameter What is the hoist drum pitch? - Answer: 18 x the rope diameter What is the pitch of the load block? - Answer: 16 x the rope diameter What is the minimum crane rated capacity to have an LMI? - Answer: 3 ton capacity What is a frequent inspection? - Answer: Daily to monthly What is a periodic inspection? - Answer: Monthly to yearly Cranes idle for less than six months must have inspections performed: - Answer: Frequent Cranes idle for more than six months must have inspections performed: - Answer: Frequent and periodic ASME standards for mobile cranes? - Answer: B30.5 ASME standards for slings? - Answer: B30.9 ASME standards for hooks? - Answer: B30.10 ASME standards for personal lifting systems? - Answer: B30.23 When using load capacity charts, what does the term "jib angle to ground" refer to? - Answer: Main boom angle minus the jobs offset When you change the jig to ground angle from 40 degrees to 30 degrees, you have? - Answer: Decreased the capacity of the jib Rough terrain cranes capacities are generally greater over the? - Answer: Front When working on rubber, cranes are rated at what percentage? - Answer: 75% When operating a truck crane what is the most unstable quadrant? - Answer: Side On some cranes, jib capacity is based on the angle the jib makes with horizontal (ground). How is this calculated - Answer: Boom angle minus jib offset