TEST PAPER QUESTIONS AND SOLUTIONS
GRADED A+
●● Lifting 20,000 lbs with a 2 leg bridle sling at 30* horizontal sling
angle, what is the force applied to each leg?
Answer: 20,000 pounds
●● In multiple crane lifts using an equalizer beam, The weight of the
beam should be considered:
Answer: Part of the load weight
●● What is required if there is a deviation from the plan lift?
Answer: A new plan lift
●● 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?
Answer: 5%
●● All of the following are results of unbalanced reeving of the hook
block EXCEPT:
Answer: Wear on the hook
, ●● Before a spreader bar or beams can be used they must have been:
Answer: Tested and approved
●● When materials are being hoisted to an upper level, a tagline is used
to:
Answer: 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?
Answer: 60,000 lbs
●● To confirm the rated capacity of a specific sling, consult the
manufacturer 's
Answer: Sling Tag
●● OSHA regulations require hook replacements if the opening exceeds
what percentage of its original throat opening?
Answer: 15%
●● At what percentage of increase in length should a change sling be
removed from service?
Answer: 5%