NCCCO Questions with 100% Verified Correct Answers

NCCCO Questions with 100% Verified Correct Answers 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? - Correct Answer Boom up 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? - Correct Answer 1% 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? - Correct Answer Stay in the cab until the lines are de-energized According to OSHA 1926.1413, how many randomly distributed broken wires in rotation-resistant rope are cause for replacement of the rope? - Correct Answer 2 broken wires in 6 rope diameters What is the net capacity of a crane on main boom unless the manufacturer states otherwise? - Correct Answer 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? - Correct Answer It could swing out away from the crane What Standard Method hand signal is being illustrated? - Correct Answer Swing Who should an operator respond to a "stop" signal from? - Correct Answer Anyone Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the manufacturer states otherwise? - Correct Answer The fron 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