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Advanced Rigging Final Examination – Qs & As
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Advanced Rigging Final Examination – Qs & As
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Advanced Rigging Final Examination – Qs & AsHow often should a synthetic web sling be inspected? Correct Ans -
Each day before use
What will the tension be on one leg of a single vertical hitch lifting a load of
5 tons? Correct Ans - 5 tons
Using the Rigging Hardware Tables in your book, what is the capacity of a
7/8 in. carbon shackle? Correct Ans - 13,000 lbs
What is the most important piece of information to have before beginning
to rig a load? Correct Ans - Weight of the load
Which of the following topics is NOT important when selecting slings?
Correct Ans - Capacity of the crane
Using the Rigging Hardware Table in your book, what is the capacity of a
1/2 inch shouldered eyebolt when lifting at a 45 degree angle? Correct
Ans - 550 lbs
A non-shouldered eyebolt is primarily designed for lifting in what
direction? Correct Ans - Vertical
What is the term that describes a 'sudden' loading on a sling, when raising
or lowering a load which will increase the stress on rigging of the load?
Correct Ans - Shock loading
Using the sling tables in your book, what is the capacity of a 7/8 inch 2-leg
wire rope sling that is lifting at a horizontal angle of 60-degrees?
Correct Ans - 26,000
What is the approximate weight of a cubic foot of concrete? Correct
Ans - 150 lbs
Which types of hitches are labeled on a synthetic sling? Correct Ans -
Vertical Hitch, Choker Hitch, Basket Hitch
, What must be done if a sling is found to have a missing or illegible capacity
tag? Correct Ans - Remove the sling from service
What is the formula that is used to calculate the volume of a box?
Correct Ans - Length x Width x Height
4 Reasons to remove a synthetic web sling? Correct Ans - UV
damage, heat damage, ripped/torn, cant read tag
One leg of a 4 leg alloy steel chain sling is longer than the other three; this
is probably an indication of what type of damage? Correct Ans -
The leg has been overloaded
Who should rig a sling assembly to a load? Correct Ans - A trained
and qualified rigger
What types of hitch/s provide maximum contact (360 degrees) between
the sling and load? Correct Ans - Two double wrapped basket
hitches
According to OSHA 1910.184, synthetic or polypropylene slings shall not be
used at temperatures in excess of how many degrees? Correct Ans -
180-200 degrees
According to OSHA 1910.184, what type of sling requires that the
inspection be documented? Correct Ans - Alloy chain slings
What is the term that describes the distance that it takes one strand to
wrap 360 degrees around the wire rope core? Correct Ans - One
rope lay
A 4,000 lb. load is being hoisted with a two-leg bridle sling at a horizontal
sling angle of 30 degrees. What is the tension on each leg? Correct Ans
- 4,000 lbs
What piece of rigging hardware should be used to prevent wearing in the
eye of wire rope slings? Correct Ans - Thimble
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