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...
NCCCO Final Test questions with correct
answers
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
How should the wheels of a crane be positioned when it is set up for working on outriggers? - Answer Just high enough off the ground to relieve the tires of crane weight
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
Where are the Standard Method hand signals found? - Answer OSHA Subpart CC
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