Do You Have Basic Knowledge About Rigging?

13 Questions | Total Attempts: 2259

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Do You Have Basic Knowledge About Rigging?

Rigging refers to equipment or devices which is used to lift, roll or slide and steer objects safely with the help of wire rope, clevis, jacks, master links, slings etc. A group of riggers in execute the task of installation and operation. Generally, the construction and engineering industries are associated with it. This quiz has been designed to test your basic knowledge of rigging gear inspection and procedures. So, let's try out the quiz. All the best!


Questions and Answers
  • 1. 
    Does Kiewit's policy allow for chains to be used for general rigging?
    • A. 

      No

    • B. 

      Yes

    • C. 

      Depends on the job.

  • 2. 
    Take out of service?
    • A. 

      5 broken wires in one strand of a lay.

    • B. 

      10 broken wires in one entire lay.

    • C. 

      Kinking birdcaging or distortion of wire rope.

    • D. 

      All of the above.

  • 3. 
    When using a 2-part bridle it is better to have a higher sling angle for more lifting capacity.
    • A. 

      True

    • B. 

      False

  • 4. 
    When all legs of the sling will be equally spaced around the center of gravity, the sling sizes should be based on only four legs as the load can teeter from corner to corner thus loading only two slings.
    • A. 

      True

    • B. 

      False

  • 5. 
    D to d ratio should be what?
    • A. 

      21:1

    • B. 

      20:1

    • C. 

      19:1

    • D. 

      18:1

  • 6. 
    Sometimes we need to use __________ to avoid damaging rigging and/or equipment.
    • A. 

      The working load limit

    • B. 

      Softeners

    • C. 

      W.L.L.

    • D. 

      Common sense

  • 7. 
    Never side load a round pin shackle.
    • A. 

      True

    • B. 

      False

  • 8. 
    Which is part of the Basic Guidelines?
    • A. 

      Never exceed the W.L.L.

    • B. 

      Always use a tag line.

    • C. 

      Never get under the load.

    • D. 

      All of the above.

  • 9. 
    What should you do if you notice a wire rope has evidence of heat damage?
    • A. 

      Cool it down with water.

    • B. 

      Ignore it.

    • C. 

      Tell your supervisor, but keep in use.

    • D. 

      Take out of service completely.

  • 10. 
    Before using a spreader bar you must have the following items (check all that apply).
    • A. 

      A capacity stamped on the spreader bar.

    • B. 

      A design drawing showing correct configuration.

    • C. 

      A photo of the spreader bar in the district office.

    • D. 

      A pipe welded to the spreader bar with the design inside of it.

  • 11. 
    If the rigging on your hook is 1/2 inch off center, approximately what percentage of the load can it carry?
    • A. 

      75%

    • B. 

      80%

    • C. 

      85%

    • D. 

      90%

  • 12. 
    When using a 2 part bridle with a sling angle of 45 degrees, what size rigging would be needed to lift a load of 31,000 pounds?
    • A. 

      1 1/8

    • B. 

      1 1/4

    • C. 

      1 3/4

    • D. 

      1/2

  • 13. 
    • A. 

      Approx. 5,000 lb.

    • B. 

      Approx. 10,000 lb.

    • C. 

      Approx. 15,000 lb.

    • D. 

      Approx. 20,000 lb.