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Advance Rigger Test| Questions and 100% Complete Solutions
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Advance Rigger Test| Questions and100% Complete Solutions
On multiple crane lifts, the load on each crane should NOT exceed what percentage of
capacity?
a. 90%
b. 84%
c. 80%
d. 75% - ✔d. 75%
What are lifting lugs?
a. Rigging materials used to clamp onto surfaces such as shell plates or sheet metal
b. Pilot bits used to drill precision holes in plate metal
c. Eyelets welded to a steel plate for lifting
d. Devices used to align vertical plates at the weld - ✔c. Eyelets welded to a steel plate
for lifting
The formula for determining stress on a snatch block performing a vertical lift is: line pull
x block factor = block load. What must be done to calculate formula?
a. Multiply mass x density, and then use the standard formula
b. Multiply load weight x 25, and then use the standard formula
c. Multiply the load weight by the coefficient of friction to determine line pull, and then use
the standard formula
d. Multiply mass x 25, and then use the standard formula - ✔c. Multiply the load weight by
the coefficient of friction to determine line pull, and then use the standard formula
,If both fists are placed in front of your body with your thumbs pointed outward, the
crane operator should:
a. Extend the boom sections
b. Extend the outriggers
c. Raise the boom
d. Retract the boom sections - ✔a. Extend the boom sections
What is the MAXIMUM percent of the rated capacity of a crane that can be used to
lift personnel?
a. 40%
b. 50%
c. 60%
d. 80% - ✔b. 50%
When does lightening present the greatest hazard to the crane and rigging
personnel? a. When it is raining
b. When thunder and lightning are apparent
c. When the sky is cloudy
d. When a weather warning is announced - ✔b. When thunder and lightning are apparent
What force would be required to move an object up an inclined plane compared to lifting it
vertically?
a. Same
b. Less
c. 1 ½ times more
d. 2 times more - ✔c. 1 ½ times more
Personnel platforms shall NOT be used to lift:
, a. Employees
b. Tools with employees
c. Materials with employees
d. Tools and materials without employees - ✔d. Tools and materials without employees
All of the following are reasons for stopping personnel lifting operations EXCEPT:
a. The A-2-B (anti-two-block) malfunctions
b. Dangerous weather is approaching
c. Radio communication fails
d. There are no tag lines - ✔d. There are no tag lines
When working in close quarters, the main concern is:
a. Time
b. Speed
c. Safety
d. Efficiency - ✔c. Safety
The point of any object's weight can be assumed to be concentrated at:
a. High point
b. Radius of gyration
c. Center of gravity
d. Center pin - ✔c. Center of gravity
In a spur-gear chain hoist with a two chain system, the endless chain is used to:
a. Attach the load
b. Attach the hoist to the anchorage point
c. Raise and lower the load
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