Advanced Rigging Exam Questions And Answers

Advanced Rigging Exam Questions And Answers What is meant by the term two blocking? - ANS The load block contacts the boom point sheaves. Lifting 20,000 lbs with a 2 leg bridle sling at 30* horizontal sling angle, what is the force applied to each leg? - ANS 20,000 pounds In multiple crane lifts using an equalizer beam, The weight of the beam should be considered: - ANS Part of the load weight What is required if there is a deviation from the plan lift? - ANS 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? - ANS 5% All of the following are results of unbalanced reeving of the hook block EXCEPT: - ANS Wear on the hook Before a spreader bar or beams can be used they must have been: - ANS Tested and approved When materials are being hoisted to an upper level, a tagline is used to: - ANS 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? - ANS 60,000 lbs To confirm the rated capacity of a specific sling, consult the manufacturer 's - ANS Sling Tag OSHA regulations require hook replacements if the opening exceeds what percentage of its original throat opening? - ANS 15% At what percentage of increase in length should a change sling be removed from service? - ANS 5% The methodical process that attempts to identify hazards and devise plans to overcome or eliminate hazards which may interfere with crane or rigging is called: - ANS Lift plan