NCCCO FINAL TEST DUE 27

NCCCO FINAL TEST DUE 27

TH MARCH

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

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