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NCCCO EXAM QUESTIONS WITH
CORRECT ANSWERS.
Boom up Answer- 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?1% Answer- 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?Stay in the cab until the lines are de-energized Answer- 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?
- broken wires in 6 rope diameters Answer- According to OSHA 1926.1413, how
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many randomly distributed broken wires in rotation-resistant rope are cause for replacement of the rope?The capacity listed in the load chart minus the weight of the rigging and all attachments Answer- What is the net capacity of a crane on main boom unless the manufacturer states otherwise?It could swing out away from the crane Answer- What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection?Swing Answer- What Standard Method hand signal is being illustrated?Anyone Answer- Who should an operator respond to a "stop" signal from?The fron Answer- Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise?The distance from the center of rotation of the crane to the center of gravity of the load Answer- What is the definition of "operating radius?" They are based on the stability of the crane Answer- What applies to the capacities below the bold line shown on a load chart?
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