Rigging Course With 100% solved A+ graded[VERIFIED]
A load chart range diagram can best be used to help identify: - CORRECT ANSWER-net capacity
for mobile crane working at maximum radius, exceeding what percentage of the cranes capacity requires
the radius to be verified? - CORRECT ANSWER-80%
the minimum depth of thread engagement for a 1/2 in eyebolt into steel object is? - CORRECT ANSWER-
3/4 in
when tying knots in synthetic rope lashing, the rated load is increased by 50% ? - CORRECT ANSWER-
false
the size of shackle that can be used in the eye of a wire rope sling must be ________ the wire rope size?
- CORRECT ANSWER-equal to or greater than
a shackle must be marked with the rated load, re-inspected due date, and the date manufacture? -
CORRECT ANSWER-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? - CORRECT ANSWER-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 ? - CORRECT ANSWER-(50%)
a manufacturer's certificate of proof test may satisfy the initial test requirements for rigging equipment?
- CORRECT ANSWER-false
which of the following operator actions will most likely cause a reduction in the capacity of a mobile
crane? - CORRECT ANSWER-booming down
an angular pull of 45 degrees is allowed on non shouldered type eye bolts? - CORRECT ANSWER-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. - CORRECT ANSWER-false
when are loads allowed to be moved over personnel? - CORRECT ANSWER-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) - CORRECT ANSWER-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: -
CORRECT ANSWER-over rigging the load
a straight-line hitch is good for _____ of a sling rated load? - CORRECT ANSWER-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 - CORRECT
ANSWER-2000 lbs
why must hoisting be stopped once the load is completely off the ground? - CORRECT ANSWER-to
determine sling angle stress
the minimum crane team consist of ? - CORRECT ANSWER-the crane operator and rigger-in-charge
while traveling a crane with a load, loads should be kept? - CORRECT ANSWER-as low as possible
attachment points must be visually inspected? - CORRECT ANSWER-before and after each use
when rigging your own loads, you are responsible for? - CORRECT ANSWER-all of the above
rigging gear test and inspection records must include: - CORRECT ANSWER-all of the information listed
above
A load chart range diagram can best be used to help identify: - CORRECT ANSWER-net capacity
for mobile crane working at maximum radius, exceeding what percentage of the cranes capacity requires
the radius to be verified? - CORRECT ANSWER-80%
the minimum depth of thread engagement for a 1/2 in eyebolt into steel object is? - CORRECT ANSWER-
3/4 in
when tying knots in synthetic rope lashing, the rated load is increased by 50% ? - CORRECT ANSWER-
false
the size of shackle that can be used in the eye of a wire rope sling must be ________ the wire rope size?
- CORRECT ANSWER-equal to or greater than
a shackle must be marked with the rated load, re-inspected due date, and the date manufacture? -
CORRECT ANSWER-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? - CORRECT ANSWER-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 ? - CORRECT ANSWER-(50%)
a manufacturer's certificate of proof test may satisfy the initial test requirements for rigging equipment?
- CORRECT ANSWER-false
which of the following operator actions will most likely cause a reduction in the capacity of a mobile
crane? - CORRECT ANSWER-booming down
an angular pull of 45 degrees is allowed on non shouldered type eye bolts? - CORRECT ANSWER-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. - CORRECT ANSWER-false
when are loads allowed to be moved over personnel? - CORRECT ANSWER-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) - CORRECT ANSWER-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: -
CORRECT ANSWER-over rigging the load
a straight-line hitch is good for _____ of a sling rated load? - CORRECT ANSWER-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 - CORRECT
ANSWER-2000 lbs
why must hoisting be stopped once the load is completely off the ground? - CORRECT ANSWER-to
determine sling angle stress
the minimum crane team consist of ? - CORRECT ANSWER-the crane operator and rigger-in-charge
while traveling a crane with a load, loads should be kept? - CORRECT ANSWER-as low as possible
attachment points must be visually inspected? - CORRECT ANSWER-before and after each use
when rigging your own loads, you are responsible for? - CORRECT ANSWER-all of the above
rigging gear test and inspection records must include: - CORRECT ANSWER-all of the information listed
above
