NCCCO Certification of Crane Operators: Advanced Rigging Test 2 Exam Questions and Answers, Exams of Mechanics

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NCCCO Certification of Crane Operators

Advanced Rigging Test 2 Exam Questions and

Answers 100% Pass | Graded A+

David Mungai [Date] [Course title]

NCCCO Certification of Crane Operators

Advanced Rigging Test 2 Exam

Questions and Answers 100% Pass |

Graded A+

1. What is meant by the term "two blocking - Answer>> The load block contacts the boom point sheaves.
2. lifting 20,000lbs, with a 2-leg bridle sling at a 30 horizontal sling angle, what is force applied to each leg? - Answer>> 20,
3. In multiple crane lifts using an equalizer beam, the weight of the beam should be considered: - Answer>> Part of the load weight
4. What is required if there is a deviation in the lift plan? - Answer>> A new lift plan
5. On level ground using skids and rollers, what percent of the weight of the load should yield the required line pull as a general rule of thumb? - Answer>> 5%
6. All of the following are results of unbalanced reeving of the hook block EXCEPT: - Answer>> Wear on the hook
7. Before a spreader bar or beams can be used they MUST have been: - Answer>> Tested and approved
8. When materials are being hoisted to an upper level, a tag line is used to: - Answer>> Help control the load

18. How much force would be required to move an object up an inclined plane compared to lifting it vertically? - Answer>> Less force
19. All of the following are reasons for stopping personnel lifting operations EXCEPT - Answer>> There are no tag lines
20. The point of any object's weight can be assumed to be concentrated at: - Answer>> Center of gravity
21. In a spur-gear chain hoist with a two chain system, the endless chain is used to - Answer>> Raise and lower the load
22. In an emergency situation, what is the rigger's FIRST priority?

• Answer>> To prevent injury or loss of life

25. All of the following conditions exert dynamic loading on a crane EXCEPT: - Answer>> Static boom angle
26. Proper lead sheave placement as it relates to the hoisting drum location is: - Answer>> Proper spooling of wire rope
27. The most important information to consider when planning a lift is: - Answer>> weight of the load
28. Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected by whom? - Answer>> designated person
29. An unsafe condition that riggers should be aware of when dealing with a multi part load block is: - Answer>> Twisting multi part lines

31. The only personnel allowed to have their body parts outside of the suspended personnel platform during hoisting and lowering operations are: - Answer>> Signal persons
32. What is the most important reason rigging hardware should NOT be modified? - Answer>> It could negatively affect its capacity
33. In the term (D/d ratio) the d is an abbreviation for: - Answer>> Diameter
34. A document that outlines weights, crane configuration and rigging requirements for a lift is called a: - Answer>> Lift plan
35. A 1-inch wire rope sling in vertical basket hitch lifting a 24-foot long, 36 inch diameter pipe, - Answer>> 36 to 1
36. What is an LMI? - Answer>> Load movement indicator
37. Location of electrical hazards on the job site should be documented on a: - Answer>> Lift plan
38. When forming a lift plan, a PRIMARY concern for the person doing the rigging is: - Answer>> Capacity of rigging
39. When using a wedge socket, the dead end of the rope is secured in the socket by the: - Answer>> Wedge
40. When erecting or stowing a swing-away lattice extension, what should be used to control the movement of the extension? - Answer>> Tag line
41. Planning for rigging is required: - Answer>> Only when lifting any load

52. Loads introduced into the machine or its components due to accelerating or decelerating force is called: - Answer>> Dynamic loading
53. Using the sling chart provided, what is the rated capacity of 1/2 wire rope at a choke hitch - Answer>> 3,800 lbs
54. When lifting 100,000 pounds, the main load block must be reeved with how many parts of line? - Answer>> 4
55. What standard hand signal is being communicated in the illustration? - Answer>> Travel (one track)
56. What Standard hand signal is being communicated in the illustration? - Answer>> Use whip line
57. Using the chart, how many parts of line are needed to lift a load weighing 265,000 pounds? - Answer>> 9
58. What is the PRIMARY concern when working with high boom angles? - Answer>> Backward stability
59. On multiple crane lifts, the load on each crane should NOT exceed what percentage of capacity? - Answer>> 75%
60. What are lifting lungs? - Answer>> Eyelets welded to a steel plate for lifting 60)The formula for determining stress on a snatch block performing a vertical lift is: line pull block factor block load. What must be done to calculate the formula? - Answer>> Multiply the load weight by the coefficient of friction to determine pull, and then the standard formula

61. If both fists are placed in front of your body with your thumbs pointed outward, the crane operator should: - Answer>> Extend the boom sections
62. what is the MAXIMUM percent of the rated capacity of a crane that can be used to litft personnel? - Answer>> 50%
63. When does lightening present the greatest hazard to the crane and rigging personnel? - Answer>> When thunder and lightning are apparent
64. Personnel platforms shall NOT be used to lift: - Answer>> Tools and materials without employees
65. When working in close quarters, the main concern is: - Answer>> Safety
66. Most cranes in duty cycle operation require a: - Answer>> Load test