NCCCO 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? 2 broken wires in 6 rope diameters - Answer According to OSHA 1926.1413, 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 - 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?