Crane Operator General Knowledge
When planning your route to the job site, the operator Access Roads
should first determine
Cranes must not be assembled or used until proper All of the above
ground conditions are
Using the diagram to the right what does this reference? Working area diagram
How far back from the edge of an excavation should you A distance equal to 1.5 times the depth of the excavation
setup your crane?
What is a common hazard that is not as easy to spot Underground utilities
with a visual observation?
During set up how do you determine machine clearances Measure for correct distances
(counterweight. boom. outrigger)?
, When should you use a "Signal Person" for setting when you cannot see the outrigger
outriggers?
According to ASME B30.5, when do you have to secure Whenever the outriggers are being used
outrigger floats to outrigger?
According to ASME B30.5-1.9.3(b), what function does the Holds the pressure in the vertical ram if the hydraulic connection fails
holding value on a vertical outrigger jack perform?
According to OSHA what is the appropriate size of 3 times the size of the outrigger float
outrigger pads or "cribbing" to be placed under outrigger
floats?
What is the purpose for placing mats or cribbing under Reduce ground pressure
outrigger floats?
When constructing "mats"what would be the best method Bolts
to join the cribbing together?
When may blocking (cribbing) be placed under outrigger Never
beams?
When you crane is setup on ground that is not level, the Blocked so they are 90° to the Jack cylinder
outrigger floats must be
What is the result of placing timber blocking under the Makes the crane more stable
tips of the tracks on a crawler crane?
During assembly and disassembly before a crew True
member moves to a position that is out of sight of the
operator, the crew member must inform the operator
of their position
In setting up the crane, the operator can extend three Use the "on rubber" load chart or next lower capacity
outriggers fully and one only halfway out, but all vertical
cylinders are down, and floats are on good supports. The
operator must:
When working on outriggers the only time they should be There is a load chart for this operation
less than fully extended is when
When operating on rubber cranes are rated at what 75%
percent of tipping?
When operating on outriggers cranes are rated at what 85%
percent of tipping?
When a crawler crane is properly set up and leveled, its 75%
tipping capacities are based on what percentage?
When planning your route to the job site, the operator Access Roads
should first determine
Cranes must not be assembled or used until proper All of the above
ground conditions are
Using the diagram to the right what does this reference? Working area diagram
How far back from the edge of an excavation should you A distance equal to 1.5 times the depth of the excavation
setup your crane?
What is a common hazard that is not as easy to spot Underground utilities
with a visual observation?
During set up how do you determine machine clearances Measure for correct distances
(counterweight. boom. outrigger)?
, When should you use a "Signal Person" for setting when you cannot see the outrigger
outriggers?
According to ASME B30.5, when do you have to secure Whenever the outriggers are being used
outrigger floats to outrigger?
According to ASME B30.5-1.9.3(b), what function does the Holds the pressure in the vertical ram if the hydraulic connection fails
holding value on a vertical outrigger jack perform?
According to OSHA what is the appropriate size of 3 times the size of the outrigger float
outrigger pads or "cribbing" to be placed under outrigger
floats?
What is the purpose for placing mats or cribbing under Reduce ground pressure
outrigger floats?
When constructing "mats"what would be the best method Bolts
to join the cribbing together?
When may blocking (cribbing) be placed under outrigger Never
beams?
When you crane is setup on ground that is not level, the Blocked so they are 90° to the Jack cylinder
outrigger floats must be
What is the result of placing timber blocking under the Makes the crane more stable
tips of the tracks on a crawler crane?
During assembly and disassembly before a crew True
member moves to a position that is out of sight of the
operator, the crew member must inform the operator
of their position
In setting up the crane, the operator can extend three Use the "on rubber" load chart or next lower capacity
outriggers fully and one only halfway out, but all vertical
cylinders are down, and floats are on good supports. The
operator must:
When working on outriggers the only time they should be There is a load chart for this operation
less than fully extended is when
When operating on rubber cranes are rated at what 75%
percent of tipping?
When operating on outriggers cranes are rated at what 85%
percent of tipping?
When a crawler crane is properly set up and leveled, its 75%
tipping capacities are based on what percentage?
