Prepare for the NCCER Rigging certification exam with these practice questions and answers. This guide covers load calculations, sling selection, rigging hardware, lift planning, and crane signals.
Q: 1) What is meant by the term “two blocking
Answer: The load block contacts the boom point sheaves.
Q: 2) lifting 20,000lbs, with a 2-leg bridle sling at a 30 horizontal sling angle, what is force applied to each leg?
Answer: 20,000
Q: 3) In multiple crane lifts using an equalizer beam, the weight of the beam should be considered:
Answer: Part of the load weight
Q: 4) What is required if there is a deviation in the lift plan?
Answer: A new lift plan
Q: 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%
Q: 6) All of the following are results of unbalanced reeving of the hook block EXCEPT:
Answer: Wear on the hook
Q: 7) Before a spreader bar or beams can be used they MUST have been:
Answer: Tested and approved
Q: 8) When materials are being hoisted to an upper level, a tag line is used to:
Answer: Help control the load
Q: 9) Two cranes are lifting 100 tons . If crane A has 40 % of the load , how much weight will crane B have on its hook?
Answer: 120,000 Ibs.
Q: 10) To confirm the rated capacity of a specific sling, consult the manufacturer’s:
Answer: Sling tag
Q: 11) OSHA regulations require hook replacement if the opening exceeds what percentage of its original throat opening?
Answer: 15%
Q: 12) At what percentage of increase in length should a chain sling be removed from service?
Answer: 5%
Q: 13) The methodical process that attempts to identify hazards and devise plans to overcome or eliminate hazards which may interfere with crane or rigging is called:
Answer: Lift plan
Q: 14) What provides additional control of a load being lifted?
Answer: Tag lines
Q: 15) When traveling on a rubber tire mobile crane, how should the boom be positioned?
Answer: In line with the direction of travel
Q: 16) Before performing pick and carry operations with any mobile crane, it is important to:
Answer: Refer to the manufacturer’s capacity chart
Q: 17 ) According to ASME B30.5 , a two crane lift is signaled by
Answer: One designated person
Q: 18) How much force would be required to move an object up an inclined plane compared to lifting it vertically?
Answer: Less force
Q: 20) All of the following are reasons for stopping personnel lifting operations EXCEPT
Answer: There are no tag lines
Q: 22) The point of any object’s weight can be assumed to be concentrated at:
Answer: Center of gravity
Q: 23) In a spur-gear chain hoist with a two chain system, the endless chain is used to
Answer: Raise and lower the load
Q: 24) In an emergency situation, what is the rigger’s FIRST priority?
Answer: To prevent injury or loss of life
Q: 25) All of the following conditions exert dynamic loading on a crane EXCEPT:
Answer: Static boom angle
Q: 26) Proper lead sheave placement as it relates to the hoisting drum location is:
Answer: Proper spooling of wire rope
Q: 27) The most important information to consider when planning a lift is:
Answer: weight of the load
Q: 28) Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected by whom?
Answer: designated person
Q: 29) An unsafe condition that riggers should be aware of when dealing with a multi part load block is:
Answer: Twisting multi part lines
Q: 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
Q: 32) What is the most important reason rigging hardware should NOT be modified?
Answer: It could negatively affect its capacity
Q: 33) In the term (D/d ratio) the d is an abbreviation for:
Answer: Diameter
Q: 34) A document that outlines weights, crane configuration and rigging requirements for a lift is called a:
Answer: Lift plan
Q: 35) A 1-inch wire rope sling in vertical basket hitch lifting a 24-foot long, 36 inch diameter pipe,
Answer: 36 to 1
Q: 36) What is an LMI?
Answer: Load movement indicator
Q: 37) Location of electrical hazards on the job site should be documented on a:
Answer: Lift plan
Q: 38) When forming a lift plan, a PRIMARY concern for the person doing the rigging is:
Answer: Capacity of rigging
Q: 39) When using a wedge socket, the dead end of the rope is secured in the socket by the:
Answer: Wedge
Q: 40) When erecting or stowing a swing-away lattice extension, what should be used to control the movement of the extension?
Answer: Tag line
Q: 41) Planning for rigging is required:
Answer: Only when lifting any load
Q: 42) A lift plan MUST be completed by a:
Answer: Supervisor
Q: 43) Anchorage points for fall arrest harness for a single person MUST be able to hold:
Answer: 5000 lbs.
Q: 44) Which of the following items are used for heavy rigging?
Answer: Slings, shackles, and spreader beam
Q: 45) If the jacket of a synthetic round sling is damaged, that sling should be:
Answer: Removed from service immediately
Q: 46) Which of the following is NOT a factor when making submerged lifts?
Answer: Water temperature
Q: 47) When a tugger is mounted where the operator can NOT see the load, the signal person most uses
Answer: Signals used for cranes
Q: 48) Who can design a personnel platform?
Answer: A qualified personnel
Q: 49) A one-inch, 3-leg bridle wire rope sling, rigged at a 45 degree angle, is good for 18 tons. The addition of a fourth leg will increase your capacity by:
Answer: 0 lbs
Q: 50) After any structural repair or modification, a personnel lifting platform shall be tested to what percent of the platform rating?
Answer: 150%
Q: 51) All of the following statements about crane contact with power lines are TRUE EXCEPT:
Answer: The operator should leave the cab as quickly as possible
Q: 52) Loads introduced into the machine or its components due to accelerating or decelerating force is called:
Answer: Dynamic loading
Q: 53) Using the sling chart provided, what is the rated capacity of 1/2 wire rope at a choke hitch
Answer: 3,800 lbs
Q: 54) When lifting 100,000 pounds, the main load block must be reeved with how many parts of line?
Answer: 4
Q: 55) What standard hand signal is being communicated in the illustration?
Answer: Travel (one track)
Q: 56) What Standard hand signal is being communicated in the illustration?
Answer: Use whip line
Q: 57) Using the chart, how many parts of line are needed to lift a load weighing 265,000 pounds?
Answer: 9
Q: 57) What is the PRIMARY concern when working with high boom angles?
Answer: Backward stability
Q: 58) On multiple crane lifts, the load on each crane should NOT exceed what percentage of capacity?
Answer: 75%
Q: 59) What are lifting lungs?
Answer: Eyelets welded to a steel plate for lifting
Q: 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
Q: 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
Q: 62) what is the MAXIMUM percent of the rated capacity of a crane that can be used to litft personnel?
Answer: 50%
Q: 63) When does lightening present the greatest hazard to the crane and rigging personnel?
Answer: When thunder and lightning are apparent
Q: 65) Personnel platforms shall NOT be used to lift:
Answer: Tools and materials without employees
Q: 67) When working in close quarters, the main concern is:
Answer: Safety
Q: 64) Most cranes in duty cycle operation require a:
Answer: Load test