Advanced rigging test 2 final real exa m questions and answers 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% 13) 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: - CORRECT ANSWER -Lift plan 14) What provides additional control of a load being lifted? - CORRECT ANSWER -Tag lines 15) When traveling on a rubber tire mobile crane, how should the boom be positioned? - CORRECT ANSWER -In line with the direction of travel 16) Before performing pick and carry operations with any mobile crane, it is important to: - CORRECT ANSWER -Refer to the manufacturer's capacity chart 17 ) According to ASME B30.5 , a two crane lift is signaled by - CORRECT ANSWER -
One designated person 18) How much force would be required to move an object up an inclined plane compared to lifting it vertically? - CORRECT ANSWER -Less force 20) All of the following are reasons for stopping personnel lifting operations EXCEPT - CORRECT ANSWER -There are no tag lines 22) The point of any object's weight can be assumed to be concentrated at: - CORRECT ANSWER -Center of gravity 23) In a spur -gear chain hoist with a two chain system, the endless chain is used to - CORRECT ANSWER -Raise and lower the load 24) In an emergency situation, what is the rigger's FIRST priority? - CORRECT ANSWER -To prevent injury or loss of life 25) All of the following conditions exert dynamic loading on a crane EXCEPT: - CORRECT ANSWER -Static boom angle 26) Proper lead sheave placement as it relates to the hoisting drum location is: - CORRECT ANSWER -Proper spooling of wire rope 27) The most important information to consider when planning a lift is: - CORRECT ANSWER -weight of the load 28) Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected by whom? - CORRECT ANSWER -designated person 29) An unsafe condition that riggers should be aware of when dealing with a multi part load block is: - CORRECT ANSWER -Twisting multi part lines 31) The only personnel allowed to have their body parts outside of the suspended personnel platform during hoisting and lowering operations are: - CORRECT ANSWER -
Signal persons