Nccco Core + Specialty Test Reviewed Questions With
Correct And Verified Answers
ASME B30.23☑️Correct Ans-Maximum Wind 15mph
Cranes capacity not exceed 50%
Rigging 5-1 Safety Factor, if Wire Rope Bridal must use MasterLink or Shackle Attachment.
Wire Rope Safety Factor 7-1, Rotation Resistant 10-1
Sling eyes must have thimbles.
Load test platform 125% / 5 minutes before use.
Frequent + daily inspection.
100' per minute lower speed.
Gate must Open Inward.
OSHA 29 CFR 1926.1402
Ground Conditions☑️Correct Ans-Ground must be firm, graded and drained.
Warn Operator of Locations of Hazards.
Outriggers + Dunnage☑️Correct Ans-Pads should be Secured To Outriggers.
,Outrigger Floats + Mats should be able to Support Total Weight of Crane and Load, including
rigging.
Fully extended, tires off ground. Free of Crane weight.
If cannot fully extend outriggers, on rubber chart should be used. Unless have load chart for
partially extended.
Outrigger Pads Must be 90° angle to cylinder.
Mats and Blocking used to distribute bearing pressure.
Never block under outrigger beams.
Truck crane pick over front require front outrigger load chart.
Spans and gapped blocking fails at 50% load and destroys pads.
Swing Clearance☑️Correct Ans-Swing clearance must be barricaded. (2' outside swing radius)
Best Leveling Surface On Crane?☑️Correct Ans-Upper works.
, Cranes 3° out of level will?☑️Correct Ans-Decrease capacity by as much as 50%.
Plus add to excessive boom side loading and sheeve wear.
Level not to exceed <1°
When Swinging Unlevel Crane?☑️Correct Ans-Load Radius Increases.
Extended Crawlers Will?☑️Correct Ans-Increase over the side capacity.
Greatest Ground Pressure Exerted By Crane?☑️Correct Ans-Over rear corner (outriggers)
Corners (crawlers)
Least Exerted Ground Pressure By Crane?☑️Correct Ans-Over side (both outrigger and
crawler)
Greatest Crane Lifting Capacity?☑️Correct Ans-Rear (outriggers and crawlers)
Distance from Excavations?☑️Correct Ans-1.5 ratio, I.E 10' Deep Excavation
10x1.5=15' from outrigger pad.
Correct And Verified Answers
ASME B30.23☑️Correct Ans-Maximum Wind 15mph
Cranes capacity not exceed 50%
Rigging 5-1 Safety Factor, if Wire Rope Bridal must use MasterLink or Shackle Attachment.
Wire Rope Safety Factor 7-1, Rotation Resistant 10-1
Sling eyes must have thimbles.
Load test platform 125% / 5 minutes before use.
Frequent + daily inspection.
100' per minute lower speed.
Gate must Open Inward.
OSHA 29 CFR 1926.1402
Ground Conditions☑️Correct Ans-Ground must be firm, graded and drained.
Warn Operator of Locations of Hazards.
Outriggers + Dunnage☑️Correct Ans-Pads should be Secured To Outriggers.
,Outrigger Floats + Mats should be able to Support Total Weight of Crane and Load, including
rigging.
Fully extended, tires off ground. Free of Crane weight.
If cannot fully extend outriggers, on rubber chart should be used. Unless have load chart for
partially extended.
Outrigger Pads Must be 90° angle to cylinder.
Mats and Blocking used to distribute bearing pressure.
Never block under outrigger beams.
Truck crane pick over front require front outrigger load chart.
Spans and gapped blocking fails at 50% load and destroys pads.
Swing Clearance☑️Correct Ans-Swing clearance must be barricaded. (2' outside swing radius)
Best Leveling Surface On Crane?☑️Correct Ans-Upper works.
, Cranes 3° out of level will?☑️Correct Ans-Decrease capacity by as much as 50%.
Plus add to excessive boom side loading and sheeve wear.
Level not to exceed <1°
When Swinging Unlevel Crane?☑️Correct Ans-Load Radius Increases.
Extended Crawlers Will?☑️Correct Ans-Increase over the side capacity.
Greatest Ground Pressure Exerted By Crane?☑️Correct Ans-Over rear corner (outriggers)
Corners (crawlers)
Least Exerted Ground Pressure By Crane?☑️Correct Ans-Over side (both outrigger and
crawler)
Greatest Crane Lifting Capacity?☑️Correct Ans-Rear (outriggers and crawlers)
Distance from Excavations?☑️Correct Ans-1.5 ratio, I.E 10' Deep Excavation
10x1.5=15' from outrigger pad.
