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Advanced Rigging Exam 2024 Questions and Answers
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Advanced Rigging Exam 2024Questions and Answers
Cribbing is used to - -Support a load of the ground
-When a load is to be pulled up an inclined plane - -10% must be added to
the load weight to determine the required pull capacity
-The WLL for a double-wrapped basket hitch is - -Half that of a double
basket hitch
-Which of the following is a correct statement regarding cribbing? - -
Softwoods such as pine are generally used for cribbing
-The point at which an object is perpendicular to and balanced in relation to
the earth's gravitational pull is known as the - -Center of gravity
-A mobile crane is stable when its leverage on the load is - -Greater than
the load's leverage on the crane
-The gross load that a crane is capable of lifting can be found in the - -Load
chart
-What crane movement affects the load's center of gravity in relation to the
tipping axis? - -Raising the boom
-At what wind speed is it advisable to stop lifting operations? - -30 mph
-Cribbing is a process in which - -A load is placed on stacked timbers
-When lifting bundles of rebar, the preferred method is to - -Thread sling
eyes in the same direction
-When using cribbing, what affect on the WLL would be achieved by
doubling the depth of the beams? - -The WLL would quadruple
-At 30 degrees to horizontal, a sling with two legs is carrying what
percentage of the load in each leg? - -100%
-When hoisting bundles of bars 30 feet or longer, always use - -A spreader
bar
-The closer the angle of the sling to the horizontal, the - -Greater the
tension on the sling
, -When should an approved lift plan be reapproved? - -If there is any
deviation from the original lift plan
-Electrical hazards in the lift area and swing direction and degree are factors
to consider in preparing which portion of a lift plan? - -Crane placement
-Capacities for crawler cranes that have outrigger extensions may not
exceed - -85 percent of tipping
-When planning a lift involving two cranes, calculate the lowest net
capacities that both cranes will have during the lift. The next step is to - -
Make sure that the sum of the lowest rated net capacities of the cranes
exceeds the load weight
-A lift plan should be discussed - -At a pre-lift meeting where all personnel
involved in the lift are present
-In a multiple-crane lift using an equalizer, the weight of the equalizer is
considered part of the - -Load weight
-To read a lattice boom crawler crane load/capacity chart, the operator must
first know the - -Boom length and load radius
-Equipment condition is categorized under which part of a lift-plan? - -
Weight
-The person in charge of planning a critical lift is the - -Rigging
superintendent
-During a critical lift, the only person(s) who may give signals to the crane
operator is/are the - -Designated, qualified signalers
-Sling lengths need to be long enough to ensure that the horizontal angle is
greater then - -60 degrees
-The device used as an alternative to a freestanding tower crane where a
lower erection height allows its use is a - -Tower attachment
-On multiple-crane lifts, the load on each crane should be no more than - -
75 percent of its net capacity
-The net capacity of Crane One is 130,000 lbs. The net compacity of Crane
Two is 90,000 lbs. The weight of the load is 145,000 lbs. the weight of the
equalizer beam is 3,000 lbs. the distance between the hook blocks is 25 ft.
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