NCCCO Final Test Questions Fully
Solved.
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
Solved.
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
