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NCCCO FINAL TEST WITH VERIFIED SOLUTIONS #7
Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - correct answer The front What is the definition of "operating radius?" - correct 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? - correct answer They are based on the stability of the crane In which quadrant are rough terrain crane capacities generally greater? - correct 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? - correct answer 20% From which two points should the boom be measured? - correct 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? - correct 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? - correct answer Over the rear According to OSHA, which accessible area of an operating crane must always be barricaded? - correct answer The swing radius of the rear of the rotating superstructure What is the OSHA regulation governing cranes in construction? - correct 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? - correct answer 100% Where is the tipping axis of a crawler crane located? - correct 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? - correct answer NOT be lifted by crane What determines the amount of deduction required for an erected jib that is not being used? - correct answer The effective weight of the jib
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