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?
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?
Over the front - Answer In which quadrant are rough terrain crane capacities generally greater?
It is never okay - Answer According to federal requirements, under what conditions is it okay for a person to ride the headache ball?
20%. - Answer By what percentage do most manufacturers require a crane's load chart capacity to be reduced by for duty cycle operations such as high-volume concrete placement?
From the boom hinge pins to the center of the boom tip sheave - Answer From which two points should the boom be measured?
the rope runs from the top of the reel to the top of the drum - Answer What is the preferred method of installing wire rope from a reel onto a hoist drum?
Over the rear. - Answer Over which quadrant are truck crane capacities usually greater?
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?
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?
Over the front - Answer In which quadrant are rough terrain crane capacities generally greater?
It is never okay - Answer According to federal requirements, under what conditions is it okay for a person to ride the headache ball?
20%. - Answer By what percentage do most manufacturers require a crane's load chart capacity to be reduced by for duty cycle operations such as high-volume concrete placement?
From the boom hinge pins to the center of the boom tip sheave - Answer From which two points should the boom be measured?
the rope runs from the top of the reel to the top of the drum - Answer What is the preferred method of installing wire rope from a reel onto a hoist drum?
Over the rear. - Answer Over which quadrant are truck crane capacities usually greater?
