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16 Cards in this Set
- Front
- Back
A sling attached to a load with a rigging _____ |
Hook |
|
The safe working load of a rigging hook is accurate only when the load is suspended from the ___ of the hook |
saddle |
|
OSHA requires that a hook be replaced if the throat has opened ____ percent or more from its original size |
15 |
|
Slings are attached together using ____ |
shackles |
|
True/False The size of a shackle is determined by its pin size |
false |
|
The safe working load for a shackle with a 1.5 diameter pin is about ____ tones |
5 |
|
Tapped holes used with screwed in eye bolts should have a minimum depth of ____ times the bolt diameter. |
1.5 |
|
Lifting lugs can be used to make ____ of a load |
vertical lifting pulls only |
|
The crane operator uses ____ to level loads when the legs of a sling are unequal. |
equalizer plates |
|
Long loads are supported during lifting operations with ______ |
spreader beams |
|
The strength factor of wire ropes used for lifting personnel must include a safety factor of at least ______ |
10 to 1 |
|
A wire rope that consists of small interior wires for flexibility and larger exterior wires for abrasion resistance is known as a _____ rope |
Seale |
|
Before a wire is cut ____ should be applied to each of the cute location |
seizings |
|
Which slings withstand corrosions better |
chain |
|
A chain sling should be discarded if any portion is worn by ____ percent of more |
15 |
|
The most important rigging precaution is ____ |
determining the weight of the load before lifting |