Answers 100% Solved | Graded A+
What is meant by the term "two blocking" - ✔✔The load block contacts the
boom point sheaves
Lifting 20,000 pound with a 2-leg bridle sling at 30% horizontal sling angle,
what is the force applied to each leg. - ✔✔20,000 pound
In multiple crane lifts using an equalizer beam, the weight of the beam
should be considered. - ✔✔Part of the load weight
What is required if there is a deviation from the lift plan. - ✔✔A new lift plan
On level ground using skids and roilers, what percent of the load should
yield the required line pull as a general rule of thumb. - ✔✔5%
All of the following are results of unbalanced reeving of the hook block
EXCEPT. - ✔✔Wear on the hook
Before a spreader bar or beams can be used they Must have been. -
✔✔tested and approved
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, When materials are being hoisted to an upper level, a tag line is used to. -
✔✔Help control the load
Two cranes are lifting 100 tons . If crane A has 40% of the load, how much
weight will crane B have on its hook? - ✔✔60,000 lbs
To confirm the rated capacity of a specific sling, consult the manufacturer's.
- ✔✔Sling tag
OSHA regulations require hook replacement if the opening exceeds what
percentage of its original throat opening? - ✔✔15%
At what percentage of increase in length should a chin sling be removed
from service? - ✔✔5%
The methodical process that attempts to identify hazards and devise plans
to overcome or eliminze hazards which may interfere with crane rigging is
called. - ✔✔Lift plan
What provides additional control of a load being lifted - ✔✔Tag lines
When traveling on a rubber tire mobile crane . How should the boom be
positioned? - ✔✔in line with the directions of travel
Before performing pick and carry operations with any mobile crane, it is
important to: - ✔✔Refer to the manufacturer's capacity chart
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