Advanced Rigging Test
a cranes stability is affected by all of the following except - ANS-centered lift
\a document that outlines all weight, rigging, and configuration requirements for a lift is a -
ANS-lift plan
\a loads center of gravity in relation to the tipping axis is affected by all of the following except -
ANS-raising or lowering the load
\a sling angle is considered hazardous if it less than ______ degrees from horizontal - ANS-45
\a test lift is recommended before - ANS-a critical lift
\adjustable lifting beams are limited by - ANS-wire rope slings
\as a crane swings to various quadrants, the distance that the load is positioned from the tipping
axis - ANS-may change dramatically
\backward stability of a crane is affected by - ANS-high boom angles and inclines
\crane capacities must be reduced for lower tire inflation pressure - ANS-true
\crane manufactures produce separate load/capacity charts for certain operational quadrants -
ANS-true
\cranes are typically built to be - ANS-longer than they are wide
\critical lifts always require - ANS-an equalizer beam
\doubling the depth of a cribbing beam increases the WLL by a factor of - ANS-four
\during critical lift operation, the operator must obey a(n) _______ signal at all times -
ANS-emergency stop
\foundation and location of electrical hazards are example of _______ criteria - ANS-crane
placement
\if the boom length falls between values listed on the load chart, the operator should use the
capacity rating for the - ANS-next longer load radius to be compensated for the boom length
\in a multiple-crane lift, the crane with the greatest net capacity must always be - ANS-closest to
the loads center of gravity
\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 ________ - ANS-(net capacity crane
one) x A =
(net capacity crane two) x B
\interpolation is permitted is determining load capacities - ANS-true
\jib charts show the capacities of the jib boom extension - ANS-at different degrees of offset
\leverage is defined as - ANS-the power applied to a lever to cause the load to move
\lift plans are mandatory for - ANS-steel erection or multiple-crane lifts
\on some hydraulic telescoping cranes, which boom configurations are engaged or disengaged
by means of a switch? - ANS-dual boom modes
\over-the-front, over-the-rear, and over-the-side are ________ considerations for crane
placement - ANS-crawler configurations
\prior to planning a lift, a designated person must classify the lift into which of the following
categories - ANS-ordinary, critical, pre-engineered production
\spreader beams are tested at what percent of their rated capacity - ANS-125
a cranes stability is affected by all of the following except - ANS-centered lift
\a document that outlines all weight, rigging, and configuration requirements for a lift is a -
ANS-lift plan
\a loads center of gravity in relation to the tipping axis is affected by all of the following except -
ANS-raising or lowering the load
\a sling angle is considered hazardous if it less than ______ degrees from horizontal - ANS-45
\a test lift is recommended before - ANS-a critical lift
\adjustable lifting beams are limited by - ANS-wire rope slings
\as a crane swings to various quadrants, the distance that the load is positioned from the tipping
axis - ANS-may change dramatically
\backward stability of a crane is affected by - ANS-high boom angles and inclines
\crane capacities must be reduced for lower tire inflation pressure - ANS-true
\crane manufactures produce separate load/capacity charts for certain operational quadrants -
ANS-true
\cranes are typically built to be - ANS-longer than they are wide
\critical lifts always require - ANS-an equalizer beam
\doubling the depth of a cribbing beam increases the WLL by a factor of - ANS-four
\during critical lift operation, the operator must obey a(n) _______ signal at all times -
ANS-emergency stop
\foundation and location of electrical hazards are example of _______ criteria - ANS-crane
placement
\if the boom length falls between values listed on the load chart, the operator should use the
capacity rating for the - ANS-next longer load radius to be compensated for the boom length
\in a multiple-crane lift, the crane with the greatest net capacity must always be - ANS-closest to
the loads center of gravity
\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 ________ - ANS-(net capacity crane
one) x A =
(net capacity crane two) x B
\interpolation is permitted is determining load capacities - ANS-true
\jib charts show the capacities of the jib boom extension - ANS-at different degrees of offset
\leverage is defined as - ANS-the power applied to a lever to cause the load to move
\lift plans are mandatory for - ANS-steel erection or multiple-crane lifts
\on some hydraulic telescoping cranes, which boom configurations are engaged or disengaged
by means of a switch? - ANS-dual boom modes
\over-the-front, over-the-rear, and over-the-side are ________ considerations for crane
placement - ANS-crawler configurations
\prior to planning a lift, a designated person must classify the lift into which of the following
categories - ANS-ordinary, critical, pre-engineered production
\spreader beams are tested at what percent of their rated capacity - ANS-125
