Exam (elaborations)
ADVANCED RIGGING TEST QUESTIONS AND ANSWERS
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ADVANCED RIGGING TEST QUESTIONS AND ANSWERS
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Name: Score:43 Multiple choice questions
Term 1 of 43
a test lift is recommended before
acceleration
a critical lift
lift plan
centered lift
Term 2 of 43
lift plans are mandatory for
steel erection or multiple-crane lifts
longer than they are wide
longer than they are wide
at different degrees of offset
Term 3 of 43
the load block weight is considered part of the weight of the _______
load to be lifted, not including rigging
total weight of the crane including its own structure
the maximum load capacity of the crane itself
the weight of the rigging equipment used in lifting
,Term 4 of 43
if the boom length falls between values listed on the load chart, the operator should use the
capacity rating for the
the average load radius based on previous lifts
next longer load radius to be compensated for the boom length
shorter load radius to ensure safety during lifting
the maximum boom length allowed for the crane
Term 5 of 43
during critical lift operation, the operator must obey a(n) _______ signal at all times
emergency stop
load signal
safety check
lift command
Term 6 of 43
what dynamic occurs when a load is hoisted from a point other than directly over the load
pendulum effect
delayed density dependence
pendulum theory
resonance effect
Term 7 of 43
interpolation is permitted is determining load capacities
True
False
,Term 8 of 43
in preparing for multiple-crane lifting, the load blocks of each crane have to be positioned
relative to the loads center of gravity using the formula ________
deducted from
the ground to the center of the boom point sheaves
(net capacity crane one) x A =
(net capacity crane two) x B
ordinary, critical, pre-engineered production
Term 9 of 43
crane manufactures produce separate load/capacity charts for certain operational quadrants
True
False
Term 10 of 43
cranes are typically built to be
longer than they are wide
steel erection or multiple-crane lifts
example is vertebrae
next longer load radius to be compensated for the boom length
Term 11 of 43
when a bundle of rebar is being lifted with two slings in a choker hitch, the sling eyes should
be threaded in the opposite direction to improve load stability
True
False
, Term 12 of 43
leverage is defined as
the power applied to a lever to cause the load to move
the weight of the lever itself
the distance from the pivot point to the load
the angle at which the lever is positioned
Term 13 of 43
as a crane swings to various quadrants, the distance that the load is positioned from the
tipping axis
pendulum effect
acceleration
raising or lowering the load
may change dramatically
Term 14 of 43
a document that outlines all weight, rigging, and configuration requirements for a lift is a
lift inspection
wire rope
a critical lift
lift plan
Term 15 of 43
critical lifts always require
an erected jib
a beam clamp
an equalizer beam
wire rope slings
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