answers
During a rigging operation if an emergency happens who has the authority to give
theemergency stop hand signal? - ANSWER (Anyone on the ground who is in sight
of the craneoperator).
The recommendation when lifting a load longer then __________ is to use two
chokerhitches. - ANSWER (12 feet)
A hand-operated winching device that should never be used for vertical overhead
liftingis a ( - ANSWER come-along
All chain hoists use a ____________ to lift heavy loads. - ANSWER (gear systems)
A _____________ is used on alloy steel chain slings. - ANSWER (Grab Hook)
Shackles for most overhead lifting are made of _________ due to the need
forincreased toughness. - ANSWER (forged steel)
When a wire rope sling appears to be damaged, who makes the decision to keep it
inservice a _________ - ANSWER (competent person).
If the tattle-tail has been pulled into of its jacket on a synthetic sling, that sling has
been ________ - ANSWER (overloaded).
The temperatures that most alloy steel chain slings can be used in are up to
______________ - ANSWER (500F or260C).
A sling maximum load weight that is designed to carry is called the
________________ - ANSWER rated capacity).
Slings are commonly made out of __________________ - ANSWER (synthetic
fibers, cast-iron steel, and wire rope)
If the identification tag on a synthetic slings is missing or illegible , the sling must be
___________________ - ANSWER (removed from service immediately).
The size of a shackle is determined by the diameter of its ____________ - ANSWER
(body).
A type of rigging equipment that uses pulley system to provide a mechanical
advantage for lifting a load is a ___________ - ANSWER (hoist).
When a load has no attachment points that are practical for lifting it is best to use a
__________________ - ANSWER (choker hitch).