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 ...
Advanced RiggingTest 2 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
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