Advanced rigging test 2 2023 (100% Accurate Answers)
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Course
Advanced rigging
Institution
Advanced Rigging
What is meant by the term "two blocking correct answers 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 answers 20,000
3) In multiple crane lifts using an equalizer beam,...
Advanced rigging test 2 2023 (100% Accurate Answers)
What is meant by the term "two blocking correct answers 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 answers 20,000
3) In multiple crane lifts using an equalizer beam, the weight of the beam should be considered: correct answers Part of the load weight
4) What is required if there is a deviation in the lift plan? correct answers 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 answers 5%
6) All of the following are results of unbalanced reeving of the hook block EXCEPT: correct answers Wear on the hook
7) Before a spreader bar or beams can be used they MUST have been: correct answers Tested apd approved
8) When materials are being hoisted to an upper level, a tag line is used to: correct answers 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 answers 120,000 Ibs.
10) To confirm the rated capacity of a specific sling, consult the manufacturer's: correct answers Sling tag
11) OSHA regulations require hook replacement if the opening exceeds what percentage of its original throat opening? correct answers 15
12) At what percentage of increase in length should a chain sling be removed from service? correct answers 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 answers Lift plan
14) What provides additional control of a load being lifted? correct answers Tag lines
15) When traveling on a rubber tire mobile crane, how should the boom be positioned? correct answers In line with the direction of travel 16) Before performing pick and carry operations with any mobile crane, it is important to: correct answers Refer to the manufacturer's capacity chart
17 ) According to ASME B30.5 , a two crane lift is signaled by correct answers One designated person
18) What force would be required to move an object up an inclined plane compared to lifting it vertically? correct answers Less
19) Personnel platforms shall NOT be used to lift: correct answers Tools and materials without employees
20) All of the following are reasons for stopping personnel lifting operations EXCEPT correct answers There are no tag lines
21) When working in close quarters, the main concern is: correct answers Safety
22) The point of any object's weight can be assumed to be concentrated at: correct answers Center of gravity
23) In a spur-gear chain hoist with a two chain system, the endless chain is used to correct answers Raise and lower the load
24) In an emergency situation, what is the rigger's FIRST priority? correct answers To prevent injury or loss of life
25) All of the following conditions exert dynamic loading on a crane EXCEPT: correct answers Static boom angle
26) Proper lead sheave placement as it relates to the hoisting drum location is: correct answers Proper spooling of wire rope
27) The most important information to consider when planning a lift is: correct answers weight of the load
28) Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected by whom? correct answers designated person
29) An unsafe condition that riggers should be aware of when dealing with a multi part load block is: correct answers 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 answers Signal persons
32) What is the most important reason rigging hardware should NOT be modified? correct answers It could negatively affect its capacity
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