Rigging practices course Questions and Answers
2024/2025 with complete solution
A load chart range diagram can best be used to help identify: - -net capacity
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
, Rigging practices course Questions and Answers
2024/2025 with complete solution
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
a straight-line hitch is good for _____ of a sling rated load? - -100%
there are three slings hanging from a hook. each sling has a rated capacity of 2,000 lbs.
what is the heaviest load that could be lifted using these slings if they were attached to a
single point - -2000 lbs
why must hoisting be stopped once the load is completely off the ground? - -to
determine sling angle stress
the minimum crane team consist of ? - -the crane operator and rigger-in-charge
while traveling a crane with a load, loads should be kept? - -as low as possible
2024/2025 with complete solution
A load chart range diagram can best be used to help identify: - -net capacity
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
, Rigging practices course Questions and Answers
2024/2025 with complete solution
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
a straight-line hitch is good for _____ of a sling rated load? - -100%
there are three slings hanging from a hook. each sling has a rated capacity of 2,000 lbs.
what is the heaviest load that could be lifted using these slings if they were attached to a
single point - -2000 lbs
why must hoisting be stopped once the load is completely off the ground? - -to
determine sling angle stress
the minimum crane team consist of ? - -the crane operator and rigger-in-charge
while traveling a crane with a load, loads should be kept? - -as low as possible
