2024 RIGGING PRACTICES COURSE
EXAM WITH 100% CORRECT ANSWERS
for mobile crane working at maximum radius, exceeding what percentage of the
cranes capacity requires the radius to be verified?
80%
the minimum depth of thread engagement for a 1/2 in eyebolt into steel object is?
3/4 in
when tyin...
2024 RIGGING PRACTICES COURSE
EXAM WITH 100% CORRECT ANSWERS
for mobile crane working at maximum radius, exceeding what percentage of the
cranes capacity requires the radius to be verified?
80%
the minimum depth of thread engagement for a 1/2 in eyebolt into steel object is?
3/4 in
when tying knots in synthetic rope lashing, the rated load is increased by 50% ?
false
the size of shackle that can be used in the eye of a wire rope sling must be
the wire rope size?
equal to or greater than
a shackle must be marked with the rated load, re-inspected due date, and the date
manufacture?
false
when working near energized power lines where the crane or load could cross the
absolute limit of approach, what additional requirements must the crane team
follow?
designated spotter must be stationed to watch clearances
, the load weight of a personnel lift must not exceed of the hoists rated capacity
for the working radius ?
(50%)
a manufacturer's certificate of proof test may satisfy the initial test requirements for
rigging equipment?
false
which of the following operator actions will most likely cause a reduction in the
capacity of a mobile crane?
booming down
an angular pull of 45 degrees is allowed on non shouldered type eye bolts?
false
two slings creating a 60 degree sling angle are used to lift a 4,000 pound item. the
appropriate rated load for each sling is 2,000 pounds.
false
when are loads allowed to be moved over personnel?
never
given a 1/2 in steel walled empty cylindrical tank that is opened at one end, calculate
its weight (round answer to the nearest hundred)
1800 lbs
a crane accident occurs when any one of the elements in the crane operating
envelope fails to perform correctly during crane operations, maintenance, or testing,
which results in any of the following except:
over rigging the load
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