NCCCO Rigger 1 Study Questions & Answers 100% Correct!
7 views 0 purchase
Course
NCCCO Rigger 1
Institution
NCCCO Rigger 1
1. A wire rope that is a 6x19 classification could have how many wires per strand? - ANSWER15 through 26 wires per strand
2. How often should a synthetic web sling be inspected? - ANSWEREach day before use
5. Which of the following defects discovered during an inspection would cause for remov...
NCCCO Rigger 1 Study Questions & Answers
100% Correct!
1. A wire rope that is a 6x19 classification could have how many wires per strand? - ANSWER15
through 26 wires per strand
2. How often should a synthetic web sling be inspected? - ANSWEREach day before use
5. Which of the following defects discovered during an inspection would cause for removing a wire
rope sling from service? - ANSWERTen 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? - ANSWERCompetent person
3. Which considerations should be given to suspend lifting operations with a mobile crane? -
ANSWERWinds in excess of 35 mph
4. What is the term that best describes surface wear on a wire rope sling to rubbing or sliding? -
ANSWERAbrasion
7. When the hoist line is not vertical what type of dynamic force is being introduced to the crane? -
ANSWERSide pull
8. What is the term used to describe the ultimate or maximum load that a sling fails at ? -
ANSWERBreaking strength
9. A non-shouldered eyebolt is primarily designed for lifting in which plane ? - ANSWERVertical
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? - ANSWER1/2 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? - ANSWERShock 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? - ANSWERA2+B2=C2 look at paper
13. What is the approximate weight of one cubic foot of steel ? - ANSWER480 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? - ANSWERAlloy steel chain sling
15. Where would you measure to check the diameter of wire rope? - ANSWERAcross the crowns
16. How is the working load limit of slings determined? - ANSWERDivide the breaking strength by the
design factor
26. What action should be taken if damaged rigging or rigging hardware is found ? - ANSWERRemove
from service immediately and inform supervisor
27. Which type of wire rope construction has both the wires in the strand and the strands in the rope
laid right-handed in the right hand direction ? - ANSWERRight-lay, lang-lay
28. Which rigging hitch forms a slip noose around the object that is to be lifted or moved ? -
ANSWERChoker
17. What is the formula used to find volume of a rectangle? - ANSWERLength x height x width
18. The tag on a synthetic web sling shall have what required information on it ? - ANSWERName 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 ? - ANSWERThe leg has been over loaded
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 papersbyjol. 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.
