PDF Download
FREE AND STUDY GAMES ABOUT RIGGING 4 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -28 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: 13. List at least four factors that decrease web-slings strength
Answer:
age, mishandling, tying into knots, pulling it out from under a load Question 2: 21. What are the safety factors numbers used to calculate the working load limit of a chain
Answer:
3.5 and 5 ???? super check please Question 3: 20. Of the many types of chain specified, only___ chain are to be used for sling or tie-down applications
Answer:
Grade 80 and Grade 100
Question 4: 12. What is meant by "fabrication efficiency"
Answer:
ratio of tensile strength of webbing material to tensile strength of web sling it is made into
Question 5: 22. The chain included with a hoist may not display a grade number because it is designed for the hoist. However, its strength is at least as strong as the hoist's rating True/False
Answer:
True p40 in Factoid
Question 6: 10. Identify the sling types page 24
Answer:
TYPE 1, TYPE2, TYPE3, TYPE4, TYPE5, TYPE6
Question 7: 19. Chain should be removed from service if elongation exceeds about ___ or the thickness of any part of a link has decreased by about ___
Answer:
5%, 10%
Question 8: 2. A ___ is a flat rigging sling made from synthetic webbing material
Answer:
web sling Question 9: 28. A __ is a continuous link, often pre-attached to manufactured slings, used to gather multiple slings and connect them to lift hooks.
Answer:
master link Question 10: 3. Webbing for rigging purposes is made of woven ___ or ___ fibers.
Answer:
nylon, polyester Question 11: 4. In general, how is the material that the webbing is made from identified
Answer:
by colored marker yarns woven in
Question 12: 15. How is the rated capacity of a round sling determined
Answer:
by the color of its cover.?? p38?
Question 13: 24. A __ is usually the primary link between the rigged load and the hoisting equipment
Answer:
hook Question 14: 27. What is the load limit reduction of a shackle when the lifting angle of the sling connected to it is at 45 degrees
Answer:
30% chart p 44 Question 15: 7. Exposure to ultraviolet light, such as sunlight or arc welding, may affect the webbing material strength without any visible indication True or False
Answer:
True
Question 16: 14. What is a round sling
Answer:
bundle of unwoven yarns of load-bearing synthetic fibers, surrounded by non-load-bearing woven cover Question 17: 25. A __ is a U-shaped metal connector with holes drilled into the ends for receiving a removable pin or bolt
Answer:
shackle Question 18: 1. ___ is flat narrow strapping woven from yarns of strong synthetic fibers
Answer:
webbing Question 19: 23. Typical connecting attachments between the load, rigging, and hoisting device include ___
Answer:
shackles, master links, and hooks
Question 20: 11. Web sling load capacity tables generally list what four characteristics
Answer:
webbing class, number of plies, webbing width, sling construction type
Question 21: 26. The most common shackle shapes are the __ and __ types.
Answer:
anchor, chain Question 22: 9. A ___ is a leather or webbed pad used to protect the web sling from damage
Answer:
wear pad Question 23: 16. What is the choker rating of a round sling with a tan color covering
Answer:
8500 check please pg 38 Question 24: 6. Which type of webbing materials can be used in oily environments
Answer:
both polyester and nylon
Question 25: 17. Why is the use of chain preferred over wire rope
Answer:
chain has 3X impact-absorption of wire rope, it is more flexible, cheaper, lasts longer
Question 26: 18. Rigging or hoisting chain is designed to __ before ___
Answer:
deform, fracturing
Question 27: 8. Web-slings consist of what four parts
Answer:
length, body, splice, and loop eye