Exam (elaborations)
NCCCO Rigger 1 Study Questions with complete solutions
- Course
- Institution
NCCCO Rigger 1 Study Questions with complete solutions
[Show more]
Content preview
NCCCO Rigger 1 Study Questions1. A wire rope that is a 6x19 classification could have how many wires per strand? - correct answer ✔✔15 through 26 wires per strand
2. How often should a synthetic web sling be inspected? - correct answer ✔✔Each day before use
3. Which considerations should be given to suspend lifting operations with a mobile crane? - correct answer ✔✔Winds in excess of 35 mph
4. What is the term that best describes surface wear on a wire rope sling to rubbing or sliding? - correct answer ✔✔Abrasion
5. Which of the following defects discovered during an inspection would cause for removing a wire rope sling from service? - correct answer ✔✔Ten broken wires in one lay
6. According to OSHA, each day before being used, all rigging hardware and slings shall be inspected for damage or defects by a? - correct answer ✔✔Competent person
7. When the hoist line is not vertical what type of dynamic force is being introduced to the crane? - correct answer ✔✔Side pull
8. What is the term used to describe the ultimate or maximum load that a sling fails at ? - correct answer
✔✔Breaking strength
9. A non-shouldered eyebolt is primarily designed for lifting in which plane ? - correct answer ✔✔Vertical
10. According to ASME B30.9, (Slings) what is the maximum width of an object that can be placed in the eye of a wire rope sling? - correct answer ✔✔1/2 the length 11. What is the term used to describe a sudden or unplanned loading of the crane when raising or lowering a load that will increase the stress on rigging and the load? - correct answer ✔✔Shock loading
12. What formula is used to determine the sling length when you only know the hook height and the distance from the center of gravity to the pick point? - correct answer ✔✔A2+B2=C2 look at paper
13. What is the approximate weight of one cubic foot of steel ? - correct answer ✔✔480 pounds (lbs)
14. Which type of sling is required to have permanent affixed identification tag stating size, grade, rated capacity for hitch type that can be used? - correct answer ✔✔Alloy steel chain sling
15. Where would you measure to check the diameter of wire rope? - correct answer ✔✔Across the crowns
16. How is the working load limit of slings determined? - correct answer ✔✔Divide the breaking strength
by the design factor
17. What is the formula used to find volume of a rectangle? - correct answer ✔✔Length x height x width
18. The tag on a synthetic web sling shall have what required information on it ? - correct answer ✔✔Name of manufacturer
Rated load for each hitch type
and type of material
19. One leg of a four leg alloy steel chain sling is longer than the other three; this is possible indication of
what type of damage ? - correct answer ✔✔The leg has been over loaded
20. Using a cheater pipe on a chain hoist come along what will it give you ? - correct answer ✔✔More leverage
21. What type of hitches provides maximum contact between the sling and the load? - correct answer ✔✔Double wrap choker/ double wrap basket
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79271 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now