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Advanced Rigging Test 2 –Questions With Solutions
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Advanced Rigging Test 2 –Questions With Solutions1) What is meant by the term "two blocking Correct Ans - 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 Ans - 20,000
3) In multiple crane lifts using an equalizer beam, the weight of the beam
should be considered: Correct Ans - Part of the load weight
4) What is required if there is a deviation in the lift plan? Correct Ans -
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 Ans - 5%
6) All of the following are results of unbalanced reeving of the hook block
EXCEPT: Correct Ans - Wear on the hook
7) Before a spreader bar or beams can be used they MUST have been:
Correct Ans - Tested and approved
8) When materials are being hoisted to an upper level, a tag line is used to:
Correct Ans - 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 Ans - 120,000
Ibs.
10) To confirm the rated capacity of a specific sling, consult the
manufacturer's: Correct Ans - Sling tag
11) OSHA regulations require hook replacement if the opening exceeds
what percentage of its original throat opening? Correct Ans - 15%
12) At what percentage of increase in length should a chain sling be
removed from service? Correct Ans - 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 Ans - Lift plan
14) What provides additional control of a load being lifted? Correct
Ans - Tag lines
15) When traveling on a rubber tire mobile crane, how should the boom be
positioned? Correct Ans - In line with the direction of travel
16) Before performing pick and carry operations with any mobile crane, it
is important to: Correct Ans - Refer to the manufacturer's capacity
chart
17 ) According to ASME B30.5 , a two crane lift is signaled by Correct
Ans - One designated person
18) How much force would be required to move an object up an inclined
plane compared to lifting it vertically? Correct Ans - Less force
20) All of the following are reasons for stopping personnel lifting
operations EXCEPT Correct Ans - There are no tag lines
22) The point of any object's weight can be assumed to be concentrated at:
Correct Ans - Center of gravity
23) In a spur-gear chain hoist with a two chain system, the endless chain is
used to Correct Ans - Raise and lower the load
24) In an emergency situation, what is the rigger's FIRST priority?
Correct Ans - To prevent injury or loss of life
25) All of the following conditions exert dynamic loading on a crane
EXCEPT: Correct Ans - Static boom angle
26) Proper lead sheave placement as it relates to the hoisting drum
location is: Correct Ans - Proper spooling of wire rope
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