NCCCO Final Test Review (Tougher Questions) &
Certified Solutions / 100% Correct / Already Graded
A+
Which area do truck cranes without a 5th outrigger generally have no lifting
capacity unless the manufacturer states otherwise? - (ANSWER)The front
What is the definition of "operating radius?" - (ANSWER)The distance from the
center of rotation of the crane to the center of gravity of the load
What applies to the capacities below the bold line shown on a load chart? -
(ANSWER)They are based on the stability of the crane
In which quadrant are rough terrain crane capacities generally greater? -
(ANSWER)Over the front
What percentage do most manufacturers requires a crane's load chart capacity to
be reduced by for duty cycle operations - such as high-volume concrete
placement? - (ANSWER)20%
From which two points should the boom be measured? - (ANSWER)From the
boom hinge pins, to the center of the boom tip sheave
What is the preferred method of installing wire rope from a reel onto a hoist
drum? - (ANSWER)Running the rope from the top of the reel, to the top of the
drum.
, Over which quadrant are truck crane capacities usually greater? - (ANSWER)Over
the rear
According to OSHA, which accessible area of an operating crane must always be
barricaded? - (ANSWER)The swing radius of the rear of the rotating
superstructure
What is the OSHA regulation governing cranes in construction? -
(ANSWER)1926.1400
According to ASME, what percentage of the manufacturer's crane rating must not
be exceeded if a load test is done on a repaired crane? - (ANSWER)100%
Where is the tipping axis of a crawler crane located? - (ANSWER)It depends if the
idler or sprocket are in line or offset from the track rollers
What should be done with materials placed under overhead energized power
lines? - (ANSWER)NOT be lifted by crane
What determines the amount of deduction required for an erected jib that is not
being used? - (ANSWER)The effective weight of the jib
What happens to ground bearing pressure if you move a crawler crane from soft
ground to harder ground? - (ANSWER)It increases
Certified Solutions / 100% Correct / Already Graded
A+
Which area do truck cranes without a 5th outrigger generally have no lifting
capacity unless the manufacturer states otherwise? - (ANSWER)The front
What is the definition of "operating radius?" - (ANSWER)The distance from the
center of rotation of the crane to the center of gravity of the load
What applies to the capacities below the bold line shown on a load chart? -
(ANSWER)They are based on the stability of the crane
In which quadrant are rough terrain crane capacities generally greater? -
(ANSWER)Over the front
What percentage do most manufacturers requires a crane's load chart capacity to
be reduced by for duty cycle operations - such as high-volume concrete
placement? - (ANSWER)20%
From which two points should the boom be measured? - (ANSWER)From the
boom hinge pins, to the center of the boom tip sheave
What is the preferred method of installing wire rope from a reel onto a hoist
drum? - (ANSWER)Running the rope from the top of the reel, to the top of the
drum.
, Over which quadrant are truck crane capacities usually greater? - (ANSWER)Over
the rear
According to OSHA, which accessible area of an operating crane must always be
barricaded? - (ANSWER)The swing radius of the rear of the rotating
superstructure
What is the OSHA regulation governing cranes in construction? -
(ANSWER)1926.1400
According to ASME, what percentage of the manufacturer's crane rating must not
be exceeded if a load test is done on a repaired crane? - (ANSWER)100%
Where is the tipping axis of a crawler crane located? - (ANSWER)It depends if the
idler or sprocket are in line or offset from the track rollers
What should be done with materials placed under overhead energized power
lines? - (ANSWER)NOT be lifted by crane
What determines the amount of deduction required for an erected jib that is not
being used? - (ANSWER)The effective weight of the jib
What happens to ground bearing pressure if you move a crawler crane from soft
ground to harder ground? - (ANSWER)It increases
