NCCCO Exam Questions With 100% Correct Answers | Verified | Latest Update Boom up - Correct 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% - Correct 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 - Correct 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 - Correct Answer-According to OSHA 1926.1413,
- Correct Answer-What is the net capacity of a crane on main boom unless the
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how 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
manufacturer states otherwise?It could swing out away from the crane - Correct Answer-What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection?Swing - Correct Answer-What Standard Method hand signal is being illustrated?Anyone - Correct Answer-Who should an operator respond to a "stop" signal from?The fron - Correct 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 - Correct Answer-What is the definition of "operating radius?" They are based on the stability of the crane - Correct Answer-What applies to the capacities below the bold line shown on a load chart?Over the front - Correct Answer-In which quadrant are rough terrain crane capacities generally greater?