NCCCO Mobile Crane Core Study Guide
Questions And Correct Answers
when should a tagline be used?
when rotation may be hazardous
what is cause for boom deflection?
lifting heavy loads
what describes a load applied at an angle to the vertical plane?
side loading
what are the deductions when calculating parts of line
load weight, rigging, and Ioad block
According to OSHA 1926 subpart CC, what is prohibited on the main line
splicing
,what is the result of rapid hoist acceleration?
dynamic loading
when considering where to setup the crane, what would be of significant concern
for the controlling entity?
ground conditions
According to ASME B30.5 what is the maximum time frame between physical
exams that is required of an operator unless required by supervisor?
3 years
Acsording to OSHA subpart CC what must be done to reasonably prevent
pinching/ crushing and employee?
maintain barriers to mark the equipments rotating super structure.
what prevents contact between the load block and the boom point
anti two-block device
, what is an example of duty cycle operations?
dredging
what is the sum of the following deductions:
Block 1,165 rigging 120 spreader beam 480
1765
what is the minimum distance a drum flange shall extend over the top layer of
rope?
½ inch
what is the term that is used to define the load plus all the rigging components,
hooks, blocks, and other lifting equipment
gross load
why are load ratings modified for a mobile crane mounted on a barge?
Trim and list
A de-energized powerline is confirmed by whom?
Questions And Correct Answers
when should a tagline be used?
when rotation may be hazardous
what is cause for boom deflection?
lifting heavy loads
what describes a load applied at an angle to the vertical plane?
side loading
what are the deductions when calculating parts of line
load weight, rigging, and Ioad block
According to OSHA 1926 subpart CC, what is prohibited on the main line
splicing
,what is the result of rapid hoist acceleration?
dynamic loading
when considering where to setup the crane, what would be of significant concern
for the controlling entity?
ground conditions
According to ASME B30.5 what is the maximum time frame between physical
exams that is required of an operator unless required by supervisor?
3 years
Acsording to OSHA subpart CC what must be done to reasonably prevent
pinching/ crushing and employee?
maintain barriers to mark the equipments rotating super structure.
what prevents contact between the load block and the boom point
anti two-block device
, what is an example of duty cycle operations?
dredging
what is the sum of the following deductions:
Block 1,165 rigging 120 spreader beam 480
1765
what is the minimum distance a drum flange shall extend over the top layer of
rope?
½ inch
what is the term that is used to define the load plus all the rigging components,
hooks, blocks, and other lifting equipment
gross load
why are load ratings modified for a mobile crane mounted on a barge?
Trim and list
A de-energized powerline is confirmed by whom?
