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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