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Advanced Rigging Final Examination – Questions and Solutions
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Advanced Rigging Final Examination – Questions and Solutions
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Advanced Rigging Final Examination –Questions and Solutions
How often should a synthetic web sling be inspected? - -Each day before use
-What will the tension be on one leg of a single vertical hitch lifting a load of
5 tons? - -5 tons
-Using the Rigging Hardware Tables in your book, what is the capacity of a
7/8 in. carbon shackle? - -13,000 lbs
-What is the most important piece of information to have before beginning
to rig a load? - -Weight of the load
-Which of the following topics is NOT important when selecting slings? - -
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? - -550 lbs
-A non-shouldered eyebolt is primarily designed for lifting in what direction?
- -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? - -
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? - -26,000
-What is the approximate weight of a cubic foot of concrete? - -150 lbs
-Which types of hitches are labeled on a synthetic sling? - -Vertical Hitch,
Choker Hitch, Basket Hitch
-What must be done if a sling is found to have a missing or illegible capacity
tag? - -Remove the sling from service
-What is the formula that is used to calculate the volume of a box? - -Length
x Width x Height
-4 Reasons to remove a synthetic web sling? - -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? - -The leg has been
overloaded
-Who should rig a sling assembly to a load? - -A trained and qualified rigger
-What types of hitch/s provide maximum contact (360 degrees) between the
sling and load? - -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? - -180-200 degrees
-According to OSHA 1910.184, what type of sling requires that the
inspection be documented? - -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? - -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? - -4,000 lbs
-What piece of rigging hardware should be used to prevent wearing in the
eye of wire rope slings? - -Thimble
-What action should be used to take if a damaged sling is found? - -Remove
from service
-What is the meaning of the red marker yarn in a web sling? - -If you see a
red yarn or thread the sling is badly damaged
-How should a rigger connect a sling to an eyebolt? - -Use a shackle
-What should be placed between a sling and a load to protect the sling or
load from damage? - -A wooden block, a piece of old fire hose, a
commercially made softner
-What hitch forms a slip noose around the objects that is to be lifted or
moved? - -Choker
-What should you do if the safety latch on a hook swings freely through the
throat opening and past the hook point? - -Replace the hook
-The __________ is used for a direct lift with a lift angle of 90-degrees? - -
Single vertical hitch
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