Advance Rigger Test – Questions And Correct Answers
What is meant by the term "two blocking" - ANSWER The load block contacts the boom
point sheaves
Lifting 20,000 pound with a 2-leg bridle sling at 30% horizontal sling angle, what is the
force applied to each leg. - ANSWER 20,000 pound
In multiple crane lifts using an equalizer beam, the weight of the beam should be
considered. - ANSWER Part of the load weight
What is required if there is a deviation from the lift plan. - ANSWER A new lift plan
On level ground using skids and roilers, what percent of the load should yield the
required line pull as a general rule of thumb. - ANSWER 5%
All of the following are results of unbalanced reeving of the hook block EXCEPT. -
ANSWER Wear on the hook
Before a spreader bar or beams can be used they Must have been. - ANSWER tested
and approved
When materials are being hoisted to an upper level, a tag line is used to. - ANSWER
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? - ANSWER 60,000 lbs
To confirm the rated capacity of a specific sling, consult the manufacturer's. - ANSWER
Sling tag
OSHA regulations require hook replacement if the opening exceeds what percentage of
its original throat opening? - ANSWER 15%
At what percentage of increase in length should a chin sling be removed from service? -
ANSWER 5%
The methodical process that attempts to identify hazards and devise plans to overcome
or eliminze hazards which may interfere with crane rigging is called. - ANSWER Lift plan
What provides additional control of a load being lifted - ANSWER Tag lines
When traveling on a rubber tire mobile crane . How should the boom be positioned? -
ANSWER in line with the directions of travel
, Before performing pick and carry operations with any mobile crane, it is important to: -
ANSWER Refer to the manufacturer's capacity chart
According to ASME B30.5 a two crane lift is signaled by: - ANSWER One designated
person
What is the PRIMARY concern when working with high boom angles? - ANSWER
Cross wind stability
On multipie crane lifts, the load on each crane should NOT exceed what percentage of
capacity? - ANSWER 75%
What are lifting lugs? - ANSWER Eyeiets 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? - ANSWER
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: - ANSWER Extend the boom section
what is the MAXIMUM Percent of the rated capacity of a crane that can be used to lift
personnel - ANSWER 50%
When does Eghtening present the gratest hazard to the crane and rigging personne ? -
ANSWER When thunder and lightning are apparent .
What force would be required to move an object up an inclined plan compared to lifting
it vertically? - ANSWER 1 1/1 times more
Personnel platforms shall NOT be used to lift - ANSWER Tools and materials without
employees
All of the following are reasons for stopping personnel lifting operations EXCEPT -
ANSWER There are no tag lines
When working in close quarters. the main concern is - ANSWER safety
The point of any object's weight can be assumed to be concentrated at - ANSWER
Center of gravity
In a spur-gear chain hoist with a two chain system, the endless chain is used to. -
ANSWER Raise and lower the load
What is meant by the term "two blocking" - ANSWER The load block contacts the boom
point sheaves
Lifting 20,000 pound with a 2-leg bridle sling at 30% horizontal sling angle, what is the
force applied to each leg. - ANSWER 20,000 pound
In multiple crane lifts using an equalizer beam, the weight of the beam should be
considered. - ANSWER Part of the load weight
What is required if there is a deviation from the lift plan. - ANSWER A new lift plan
On level ground using skids and roilers, what percent of the load should yield the
required line pull as a general rule of thumb. - ANSWER 5%
All of the following are results of unbalanced reeving of the hook block EXCEPT. -
ANSWER Wear on the hook
Before a spreader bar or beams can be used they Must have been. - ANSWER tested
and approved
When materials are being hoisted to an upper level, a tag line is used to. - ANSWER
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? - ANSWER 60,000 lbs
To confirm the rated capacity of a specific sling, consult the manufacturer's. - ANSWER
Sling tag
OSHA regulations require hook replacement if the opening exceeds what percentage of
its original throat opening? - ANSWER 15%
At what percentage of increase in length should a chin sling be removed from service? -
ANSWER 5%
The methodical process that attempts to identify hazards and devise plans to overcome
or eliminze hazards which may interfere with crane rigging is called. - ANSWER Lift plan
What provides additional control of a load being lifted - ANSWER Tag lines
When traveling on a rubber tire mobile crane . How should the boom be positioned? -
ANSWER in line with the directions of travel
, Before performing pick and carry operations with any mobile crane, it is important to: -
ANSWER Refer to the manufacturer's capacity chart
According to ASME B30.5 a two crane lift is signaled by: - ANSWER One designated
person
What is the PRIMARY concern when working with high boom angles? - ANSWER
Cross wind stability
On multipie crane lifts, the load on each crane should NOT exceed what percentage of
capacity? - ANSWER 75%
What are lifting lugs? - ANSWER Eyeiets 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? - ANSWER
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: - ANSWER Extend the boom section
what is the MAXIMUM Percent of the rated capacity of a crane that can be used to lift
personnel - ANSWER 50%
When does Eghtening present the gratest hazard to the crane and rigging personne ? -
ANSWER When thunder and lightning are apparent .
What force would be required to move an object up an inclined plan compared to lifting
it vertically? - ANSWER 1 1/1 times more
Personnel platforms shall NOT be used to lift - ANSWER Tools and materials without
employees
All of the following are reasons for stopping personnel lifting operations EXCEPT -
ANSWER There are no tag lines
When working in close quarters. the main concern is - ANSWER safety
The point of any object's weight can be assumed to be concentrated at - ANSWER
Center of gravity
In a spur-gear chain hoist with a two chain system, the endless chain is used to. -
ANSWER Raise and lower the load
