Rigging practices Questions With Complete
Solutions
a _____ may be assigned by the rigger-in-charge to
assist the operator with the pre-use check, select
and inspect rigging gear and rig loads Correct
Answers rigger
a box has 27 cubic ft of sand in it. sand weighs 105
lbs per cubic ft. the box weighs 1,200 lbs empty.
the correct equation to find the total weight is?
Correct Answers 27x105=2,835+1,200= 4,035 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 Answers over rigging
the load
a crane with capacity of 100,000 lbs is performing
a lift of 90,000 lbs is an? Correct Answers
complex lift
A load chart range diagram can best be used to
help identify: Correct Answers net capacity
a manufacturer's certificate of proof test may
satisfy the initial test requirements for rigging
equipment? Correct Answers false
, a pre-job briefing is not required prior to
performing a complex lift? Correct Answers false
a shackle must be marked with the rated load, re-
inspected due date, and the date manufacture?
Correct Answers false
a straight-line hitch is good for _____ of a sling
rated load? Correct Answers 100%
according to the NAVFAC P-307, what are the two
types of crane lifts ? Correct Answers complex
and non complex
according to the NAVFAC P-307, which of the
following is a primary responsibility of the rigger in
charge Correct Answers establish the method of
communications and provides a signal to the
operator
an angular pull of 45 degrees is allowed on non
shouldered type eye bolts? Correct Answers false
anti-two block devices are operational safety
devices that can fail and must not be relied upon to
stop movement of the hoist? Correct Answers true
attachment points must be visually inspected?
Correct Answers before and after each use
Solutions
a _____ may be assigned by the rigger-in-charge to
assist the operator with the pre-use check, select
and inspect rigging gear and rig loads Correct
Answers rigger
a box has 27 cubic ft of sand in it. sand weighs 105
lbs per cubic ft. the box weighs 1,200 lbs empty.
the correct equation to find the total weight is?
Correct Answers 27x105=2,835+1,200= 4,035 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 Answers over rigging
the load
a crane with capacity of 100,000 lbs is performing
a lift of 90,000 lbs is an? Correct Answers
complex lift
A load chart range diagram can best be used to
help identify: Correct Answers net capacity
a manufacturer's certificate of proof test may
satisfy the initial test requirements for rigging
equipment? Correct Answers false
, a pre-job briefing is not required prior to
performing a complex lift? Correct Answers false
a shackle must be marked with the rated load, re-
inspected due date, and the date manufacture?
Correct Answers false
a straight-line hitch is good for _____ of a sling
rated load? Correct Answers 100%
according to the NAVFAC P-307, what are the two
types of crane lifts ? Correct Answers complex
and non complex
according to the NAVFAC P-307, which of the
following is a primary responsibility of the rigger in
charge Correct Answers establish the method of
communications and provides a signal to the
operator
an angular pull of 45 degrees is allowed on non
shouldered type eye bolts? Correct Answers false
anti-two block devices are operational safety
devices that can fail and must not be relied upon to
stop movement of the hoist? Correct Answers true
attachment points must be visually inspected?
Correct Answers before and after each use
