Advance Rigger Test Multiple Choices With Verified Solutions
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Course
LIfe Study
Institution
LIfe Study
What is meant by the term "two blocking"?
a. Placing blocks under the outrigger beams.
b. The load block contacts the boom point sheaves.
c. Stacking loads on top of one another.
d. The load strikes the boom while swinging. - CORRECT ANSWER- b. The load block
contacts the boom point sheaves.
...
Advance Rigger Test Multiple Choices
With Verified Solutions
What is meant by the term "two blocking"?
a. Placing blocks under the outrigger beams.
b. The load block contacts the boom point sheaves.
c. Stacking loads on top of one another.
d. The load strikes the boom while swinging. - CORRECT ANSWER- b. The load block
contacts the boom point sheaves.
Lifting 20,000 lbs with a 2-leg bridle sling at a 30° horizontal sling angle, what is the
force applied to each leg?
a. 10,000 pounds
b. 20,000 pounds
c. 30,000 pounds
d. 40,000 pounds - CORRECT ANSWER- b. 20,000 pounds
In multiple crane lifts using an equalizer beam, the weight of the beam should be
considered:
a. Part of the crane boom
b. Part of the load weight
c. Part of the crane weight
d. A non-factor - CORRECT ANSWER- b. Part of the load weight
What is required if there is a deviation from the lift plan?
a. The supervisor's permission
b. The rigger's permission
c. A new lift plan
d. Mark ups on the existing lift plan - CORRECT ANSWER- c. A new lift plan
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?
a. 2%
b. 5%
c. 10%
d. 20% - CORRECT ANSWER- b. 5%
All of the following are results of unbalanced reeving of the hook block EXCEPT:
a. Wear on the sheaves
b. Torque on the boom
c. Wear on the hook
d. Wear on the wire rope - CORRECT ANSWER- c. Wear on the hook
, Before a spreader bar or beams can be used they MUST have been:
a. Repainted
b. Used before
c. Tested and approved
d. Upgraded from the previous job - CORRECT ANSWER- c. Tested and approved
When materials are being hoisted to an upper level, a tag line is used to:
a. Help raise the load
b. Help control the load
c. Stop the process
d. Stop material from falling - CORRECT ANSWER- b. 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?
a. 60,000 lbs
b. 80,000 lbs
c. 120,000 lbs
d. 240,000 lbs - CORRECT ANSWER- a. 60,000 lbs
To CONFIRM the rated capacity of a specific sling, consult the manufacturer's:
a. Sling chart
b. Website
c. Sling tag
d. Catalog - CORRECT ANSWER- c. Sling tag
OSHA regulations require hook replacement if the opening exceeds what percentage of
its original throat opening?
a. 10%
b. 15%
c. 18%
d. 20% - CORRECT ANSWER- b. 15%
At what percentage of increase in length should a chain sling be removed from service?
a. 2%
b. 3%
c. 4%
d. 5% - CORRECT ANSWER- d. 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:
a. Operators manual
b. Maintenance manual
c. Lift plan
d. Site analysis - CORRECT ANSWER- c. Lift plan
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