Complete Verified Questions & Solutions
for Exam Preparation
,1) What is meant by the term "two blocking Correct Answer: The load
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jblock
contacts the boom point sheaves. j j j j
2) lifting 20,000lbs, with a 2-leg bridle sling at a 30 horizontal sling
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angle,
what is force applied to each leg? Correct Answer: 20,000
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3) In multiple crane lifts using an equalizer beam, the weight of the
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beam
should be considered: Correct Answer: Part of the load weight
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4) What is required if there is a deviation in the lift plan? Correct
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Answer: A j
new lift plan
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5) On level ground using skids and rollers, what percent of the
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weight of the j j
load should yield the required line pull as a general rule of thumb? Correct
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Answer: 5% j
,6) All of the following are results of unbalanced reeving of the hook
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block
EXCEPT: Correct Answer: Wear on the hook
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7) Beforeaspreaderbar orbeamscanbeused they MUST have been:
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Correct Answer: Tested and approved
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8) When materials are being hoisted to an upper level, a tag line is used
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to:
Correct Answer: Help control the load
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9) Two cranes are lifting 100 tons . If crane A has 40 % of the load , how
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much weight will crane B have on its hook? Correct Answer: 120,000
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Ibs.
10) To confirm the rated capacity of a specific sling, consult the
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manufacturer's: Correct Answer: Sling tag j j j j
11) OSHA regulations require hook replacement if the opening
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exceeds
what percentage of its original throat opening? Correct Answer: 15%
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, 12) At what percentage of increase in length should a chain sling be
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removed from service? Correct Answer: 5%
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