ADVANCED RIGGING TEST #2
QUESTIONS AND ANSWERS
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 -120,000 Ibs.
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 chain sling be removed from service?
- ANSWER -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: - ANSWER -Lift
plan
What is meant by the term "two blocking - ANSWER -The load block contacts the boom
point sheaves.
lifting 20,000lbs, with a 2-leg bridle sling at a 30 horizontal sling angle, what is force
applied to each leg? - ANSWER -20,000
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 in the lift plan? - ANSWER -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? - ANSWER -5%
All of the following are results of unbalanced reeving of the hook block EXCEPT: -
ANSWER -Wear on the hook
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 direction 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
How much force would be required to move an object up an inclined plane compared to
lifting it vertically? - ANSWER -Less force
All of the following are reasons for stopping personnel lifting operations EXCEPT -
ANSWER -There are no tag lines
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
In an emergency situation, what is the rigger's FIRST priority? - ANSWER -To prevent
injury or loss of life
All of the following conditions exert dynamic loading on a crane EXCEPT: - ANSWER -
Static boom angle
Proper lead sheave placement as it relates to the hoisting drum location is: - ANSWER -
Proper spooling of wire rope
The most important information to consider when planning a lift is: - ANSWER -weight
of the load
Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected
by whom? - ANSWER -designated person
An unsafe condition that riggers should be aware of when dealing with a multi part load
block is: - ANSWER -Twisting multi part lines
The only personnel allowed to have their body parts outside of the suspended
personnel platform during hoisting and lowering operations are: - ANSWER -Signal
persons
What is the most important reason rigging hardware should NOT be modified? -
ANSWER -It could negatively affect its capacity
QUESTIONS AND ANSWERS
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 -120,000 Ibs.
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 chain sling be removed from service?
- ANSWER -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: - ANSWER -Lift
plan
What is meant by the term "two blocking - ANSWER -The load block contacts the boom
point sheaves.
lifting 20,000lbs, with a 2-leg bridle sling at a 30 horizontal sling angle, what is force
applied to each leg? - ANSWER -20,000
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 in the lift plan? - ANSWER -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? - ANSWER -5%
All of the following are results of unbalanced reeving of the hook block EXCEPT: -
ANSWER -Wear on the hook
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 direction 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
How much force would be required to move an object up an inclined plane compared to
lifting it vertically? - ANSWER -Less force
All of the following are reasons for stopping personnel lifting operations EXCEPT -
ANSWER -There are no tag lines
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
In an emergency situation, what is the rigger's FIRST priority? - ANSWER -To prevent
injury or loss of life
All of the following conditions exert dynamic loading on a crane EXCEPT: - ANSWER -
Static boom angle
Proper lead sheave placement as it relates to the hoisting drum location is: - ANSWER -
Proper spooling of wire rope
The most important information to consider when planning a lift is: - ANSWER -weight
of the load
Prior to use, all new, altered, modified, or repaired rigging hardware shall be inspected
by whom? - ANSWER -designated person
An unsafe condition that riggers should be aware of when dealing with a multi part load
block is: - ANSWER -Twisting multi part lines
The only personnel allowed to have their body parts outside of the suspended
personnel platform during hoisting and lowering operations are: - ANSWER -Signal
persons
What is the most important reason rigging hardware should NOT be modified? -
ANSWER -It could negatively affect its capacity
