NCCCO Rigger 1 Study Questions and Answers 2023 with complete solution
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NCCCO Rigger
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NCCCO Rigger
NCCCO Rigger 1 Study Questions and Answers 2023 with complete solution
1. A wire rope that is a 6x19 classification could have how many wires per strand?
15 through 26 wires per strand
2. How often should a synthetic web sling be inspected?
Each day before use
3. Which considerations should ...
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NCCCO Rigger 1 Study Questions and Answers 2023 with
complete solution
1. A wire rope that is a 6x19 classification could have how many wires per
strand?
15 through 26 wires per strand
2. How often should a synthetic web sling be inspected?
Each day before use
3. Which considerations should be given to suspend lifting operations with a
mobile crane?
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?
Abrasion
5. Which of the following defects discovered during an inspection would cause
for removing a wire rope sling from service?
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?
Competent person
7. When the hoist line is not vertical what type of dynamic force is being
introduced to the crane?
Side pull
8. What is the term used to describe the ultimate or maximum load that a sling
fails at ?
Breaking strength
9. A non-shouldered eyebolt is primarily designed for lifting in which plane ?
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?
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?
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?
A2+B2=C2 look at paper
13. What is the approximate weight of one cubic foot of steel ?
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?
Alloy steel chain sling
15. Where would you measure to check the diameter of wire rope?
Across the crowns
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