ADVANCED RIGGING NCCER STUDY EXAM GUIDE
QUESTIONS AND ANSWERS SURE A+
✔✔critical lifts always require - ✔✔an equalizer beam
✔✔when lifting from the main boom with the jib extension mounted on the boom tip, the
effective jib weight must be ________ the gross capacity - ✔✔deducted from
✔✔on some hydraulic telescoping cranes, which boom configurations are engaged or
disengaged by means of a switch? - ✔✔dual boom modes
✔✔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 ________ - ✔✔(net
capacity crane one) x A =
(net capacity crane two) x B
✔✔ the operational quadrant between the left-or-right-side outriggers is - ✔✔over-the-
side
✔✔cranes are typically built to be - ✔✔longer than they are wide
✔✔in a multiple-crane lift, the crane with the greatest net capacity must always be -
✔✔closest to the loads center of gravity
✔✔leverage is defined as - ✔✔the power applied to a lever to cause the load to move
✔✔the quadrant that is located between the rear outriggers or crawlers in the rearward
direction of travel is known as - ✔✔over-the-rear
✔✔what dynamic occurs when a load is hoisted from a point other than directly over the
load - ✔✔pendulum effect
✔✔the sudden release of a load that causes a rapid change in effective load weight is
called - ✔✔acceleration
✔✔backward stability of a crane is affected by - ✔✔high boom angles and inclines
✔✔a loads center of gravity in relation to the tipping axis is affected by all of the
following except - ✔✔raising or lowering the load
✔✔a cranes stability is affected by all of the following except - ✔✔centered lift
QUESTIONS AND ANSWERS SURE A+
✔✔critical lifts always require - ✔✔an equalizer beam
✔✔when lifting from the main boom with the jib extension mounted on the boom tip, the
effective jib weight must be ________ the gross capacity - ✔✔deducted from
✔✔on some hydraulic telescoping cranes, which boom configurations are engaged or
disengaged by means of a switch? - ✔✔dual boom modes
✔✔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 ________ - ✔✔(net
capacity crane one) x A =
(net capacity crane two) x B
✔✔ the operational quadrant between the left-or-right-side outriggers is - ✔✔over-the-
side
✔✔cranes are typically built to be - ✔✔longer than they are wide
✔✔in a multiple-crane lift, the crane with the greatest net capacity must always be -
✔✔closest to the loads center of gravity
✔✔leverage is defined as - ✔✔the power applied to a lever to cause the load to move
✔✔the quadrant that is located between the rear outriggers or crawlers in the rearward
direction of travel is known as - ✔✔over-the-rear
✔✔what dynamic occurs when a load is hoisted from a point other than directly over the
load - ✔✔pendulum effect
✔✔the sudden release of a load that causes a rapid change in effective load weight is
called - ✔✔acceleration
✔✔backward stability of a crane is affected by - ✔✔high boom angles and inclines
✔✔a loads center of gravity in relation to the tipping axis is affected by all of the
following except - ✔✔raising or lowering the load
✔✔a cranes stability is affected by all of the following except - ✔✔centered lift
