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