NCCCO Core sample test Question and

NCCCO Core sample test Question and Answers Graded A

A frequent inspection is:

Daily to monthly

• What action does a signal person intend the operator to perform if he extends his arm at shoulder

height, makes a fist with his hand, and sticks his/her thumb up?Boom Up (Appendix A to Subpart CC of Part 1926--Standard Hand Signals)

• When hoisting personnel, within what percentage of level must a telescopic boom crane be in order

for the gross ratings in the load chart to remain valid?1%

(1926.1431(c)(1)

The equipment must be uniformly level, within one percent of level grade, and located on footing that a qualified person has determined to be sufficiently firm and stable.)

• The load line of the crane you're operating contacts an energized power line. There's no sign of any

other danger, such as fire. What should you do?Stay in the cab until the lines are de-energized.

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• According to OSHA 1926.1413, how many randomly distributed broken wires in rotation-resistant rope

are cause for replacement of the rope?

• broken wires in 6 rope diameters

• What is the net capacity of a crane on main boom unless the manufacturer states otherwise?

The capacity listed in the load chart minus the weight of the rigging and all attachments

What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection It could swing out away from the crane

Who should an operator respond to a "stop" signal from?Anyone

Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise?

The front

What is the definition of "operating radius?" 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?They are based on the stability of the crane

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