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