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Rigging test

rigging certification

QuestionAnswer
ANNEALED Subject metal to a process of heating and slow cooling in order to toughen and reduce brittleness
BIGHT Central part of the rope
BINDING Restrained of restricted movement of chain links
CENTER OF GRAVITY (CG) Point on a object around which all of the weight of the object is evenly distributed.
CHAIN BINDER Cam-or gear-operated device used to remove slack in a chain.
D/d Relationship between the wire rope diameter and an object it is bent around D=Diameter of object bent around. d=diameter of wirebrope
DOUBLE BASKET HITCH Configuration that uses two slings to cradle/basket the bottom and both sides of the load when attached to the hoisting device.
DOUBLE CHOKE HITCH Configuration of two slings that wrap partially around the load and form a choke hitch above the top of the load when attached to the hoisting device
DOUBLE WRAP BASKET HITCH Configuration that uses two slings to make a complete wrap around the load before attaching to hoisting device
DOUBLE WRAP CHOKE HITCH Configuration that uses two slings to make a complete wrap around the load and form a choke hitch above the top of the load when attached to the hoisting device
DUCTILE Easily drawn into wire or hammered thin
DUCTILITY Capacity of a material to be stretched or drawn into a wire
FACTOR OF SAFETY/(FOS)
FLOAT Steel foot attached to the cylinder or jack on the outrigger used to support crane
HEADACHE BALL
TRUNNION Cylindrical protrusion used for hoisting
WHIPPING Securing the ends of fiber rope to prevent them from untwisting
TATTLE TAILS Components installed in the body of a sling that serve as overload indicators will retract and disappear if sling is overloaded
Created by: aplaca
 

 



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