ADVANCED RIGGING SOLVED QUESTIONS
AND VERIFIED SOLUTIONS
◉ the sudden release of a load that causes a rapid change in effective
load weight is called.
Answer: acceleration
◉ backward stability of a crane is affected by.
Answer: high boom angles and inclines
◉ a loads center of gravity in relation to the tipping axis is affected
by all of the following except.
Answer: raising or lowering the load
◉ a cranes stability is affected by all of the following except.
Answer: centered lift
◉ to find the parts of line, the operator.
Answer: divides the suspended weight by the WLL of the hoist rope
◉ a document that outlines all weight, rigging, and configuration
requirements for a lift is a.
, Answer: lift plan
◉ 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.
Answer: false
◉ adjustable lifting beams are limited by.
Answer: wire rope slings
◉ spreader beams are tested at what percent of their rated capacity.
Answer: 125
◉ the formula for determining the WLL of a bridle hitch is.
Answer: WLL = (W)(H/L)(2)
WLL = (one sling in a straight pull)(distance between hook and
load/length of sling legs)(2)
◉ a sling angle is considered hazardous if it less than ______ degrees
from horizontal.
Answer: 45
AND VERIFIED SOLUTIONS
◉ the sudden release of a load that causes a rapid change in effective
load weight is called.
Answer: acceleration
◉ backward stability of a crane is affected by.
Answer: high boom angles and inclines
◉ a loads center of gravity in relation to the tipping axis is affected
by all of the following except.
Answer: raising or lowering the load
◉ a cranes stability is affected by all of the following except.
Answer: centered lift
◉ to find the parts of line, the operator.
Answer: divides the suspended weight by the WLL of the hoist rope
◉ a document that outlines all weight, rigging, and configuration
requirements for a lift is a.
, Answer: lift plan
◉ 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.
Answer: false
◉ adjustable lifting beams are limited by.
Answer: wire rope slings
◉ spreader beams are tested at what percent of their rated capacity.
Answer: 125
◉ the formula for determining the WLL of a bridle hitch is.
Answer: WLL = (W)(H/L)(2)
WLL = (one sling in a straight pull)(distance between hook and
load/length of sling legs)(2)
◉ a sling angle is considered hazardous if it less than ______ degrees
from horizontal.
Answer: 45
