NCCCO CORE EXAM (2026) UPDATE Verified
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Terms in this set (119)
A+ UPDATE |2026
Before leveling a mobile crane on outriggers, an operatorthere is no weight of the crane bearing on any tires should ensure:
Operating a mobile crane with a long boom, on unevenKeeping 90 degree angle between cylinder rod and pad ground, what support
condition should be considered?
What is the primary purpose fir a rooster sheave orSeparate the boom hoist lines auxiliary boom point
sheave?
, When load radius is between radii values, the operatorlonger radius must use
the:
Why should only approved attachments or extraThey could cause a backward stability problem.
counterweights provided by the manufacturer be placed on the
rear of the crane?
A mobile crane's jib is offset 15º versus its original 0ºincreases offset,
but the boom angle remains unchanged. In this situation, the load radius:
Abruptly stopping a rapid swing on a long-boom mobileCollapsing the boom.
crane will produce what major effect?
When determining the position to a mobile crane shouldFollow the manufacturers recommendations.
be left in over night, when high winds in the forecast the operator
should:
If a mobile crane is NOT set-up level and the operatorThe radius increase.
swings the load from the high side to the low side, what effect will
that have on the radius?
Increasing the distance from the crane's center of gravityDecreases
stability. to the tipping axis will have what effect on the mobile crane?
Backward stability of a mobile crane is tested in whichBasic boom at minimum angle with no load configuration
listed below?
Deflection of the boom while operating a mobile craneLoad Radius (Swings out) will
increase?
A sudden start or stop of the hoisting function whiledynamic load operating a mobile
crane can produce a:
Before lifting an occupied personnel platform on a jobUse 50% of rated capacity, Trial lift to anticipated weight, Ensure rigging site, which of
the following applies?dedicated to platform only.
Questions And Answers | Latest Already Graded
Don't know?
Hide definitions
Terms in this set (119)
A+ UPDATE |2026
Before leveling a mobile crane on outriggers, an operatorthere is no weight of the crane bearing on any tires should ensure:
Operating a mobile crane with a long boom, on unevenKeeping 90 degree angle between cylinder rod and pad ground, what support
condition should be considered?
What is the primary purpose fir a rooster sheave orSeparate the boom hoist lines auxiliary boom point
sheave?
, When load radius is between radii values, the operatorlonger radius must use
the:
Why should only approved attachments or extraThey could cause a backward stability problem.
counterweights provided by the manufacturer be placed on the
rear of the crane?
A mobile crane's jib is offset 15º versus its original 0ºincreases offset,
but the boom angle remains unchanged. In this situation, the load radius:
Abruptly stopping a rapid swing on a long-boom mobileCollapsing the boom.
crane will produce what major effect?
When determining the position to a mobile crane shouldFollow the manufacturers recommendations.
be left in over night, when high winds in the forecast the operator
should:
If a mobile crane is NOT set-up level and the operatorThe radius increase.
swings the load from the high side to the low side, what effect will
that have on the radius?
Increasing the distance from the crane's center of gravityDecreases
stability. to the tipping axis will have what effect on the mobile crane?
Backward stability of a mobile crane is tested in whichBasic boom at minimum angle with no load configuration
listed below?
Deflection of the boom while operating a mobile craneLoad Radius (Swings out) will
increase?
A sudden start or stop of the hoisting function whiledynamic load operating a mobile
crane can produce a:
Before lifting an occupied personnel platform on a jobUse 50% of rated capacity, Trial lift to anticipated weight, Ensure rigging site, which of
the following applies?dedicated to platform only.
