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