the max load weight that a sling is designed to carry is the?
rated capacity
most alloy steel chain slings can be used in Temps up to?
500°F (260°c)
when a tattle tail has been pulled into the jacket of a synthetic sling, the sling
most likely has been?
overloaded
if a wire rope sling appears to be damaged the decision to keep it in service must
be made by a?
competent person
because of the need for increased toughness, shackles for most overhead lifting
are made from?
forged steel
with type of hook is designed to be used on allay steel chain slings?
grab hooks
to lift heavy loads, all chain hoists use a?
gear system
a type of hand operated winch device that should never be used for vertical lifts
is a?
common come along
two choker hitches are recommended when lifting a load longer then?
12 feet
if an emergency occurs during a riggin operation. who is allowed to give the
emergency stop hand signal?
anyone on ground within sight of the crane operator