During a rigging operation if an emergency happens who has the authority to give the emergency stop
hand signal? - Answers Anyone on the ground who is in sight of the crane operator
The recommendation when lifting a load higher than __________ is to use two choker hitches. -
Answers 12 feet
A hand-operated winching device that should never be used for vertical overhead lifting is a _____ -
Answers come-along
All chain hoists use a ____________ to lift heavy loads. - Answers gear systems
A _____________ is used on alloy steel chain slings. - Answers Grab Hook
Shackles for most overhead lifting are made of _________ due to the need for increased toughness. -
Answers forged steel
When a wire rope sling appears to be damaged, who makes the decision to keep it in service a
_________ - Answers competent person
The temperatures that most alloy steel chain slings can be used in are up to ______________ - Answers
500F or 260C
The maximum load weight a sling or piece of hardware or equipment can hold or lift. - Answers rated
capacity
If the identification tag on a synthetic slings is missing or illegible , the sling must be
___________________ - Answers removed from service immediately
The size of a shackle is determined by the diameter of its ____________ - Answers body
A device that applies a mechainical force for lifting or lowering a load. - Answers hoist
When a load has no attachment points that are practical for lifting it is best to use a
__________________ - Answers choker hitch
A lifting clamp is most likely to be used to move loads such as _____________ - Answers steel plates
A piece of rigging hardware used to couple the end of a wire rope to eye fittings , hooks , or other
connections is a ____________ - Answers shackle
Synthetic slings must be inspected ________________ - Answers before every use
Identification tags for slings must include the ________________ - Answers manufacturer's name or
trademark
Chain hoist are able to lift heavy loads by utilizing a ________________ - Answers gear system