NCCCO MOBILE CRANE EXAM QUESTIONS

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NCCCO MOBILE CRANE EXAM QUESTIONS

AND ANSWERS 100% PASS

• 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?

• Boom down
• Swing
• Boom up
• Extend boom - ANSWER✔✔-c.
• 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?

• 1%
• 2%
• 5%
• 8% - ANSWER✔✔-a.
• 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?

• Climb down carefully from the crane cab 1 / 3

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• Jump down, feet together
• Stay in the cab until the lines are de-energized
• Get as far away from the crane as possible - ANSWER✔✔-c.
• According to OSHA 1926.1413, how many randomly distributed broken wires in rotation-resistant rope

are cause for replacement of the rope?

• 1 broken wire in 6 rope diameters
• 2 broken wires in 30 rope diameters
• 3 broken wires in one strand in one lay
• 2 broken wires in 6 rope diameters - ANSWER✔✔-d.
• What is the net capacity of a crane on main boom unless the manufacturer states otherwise?
• The capacity listed in the load chart minus the weight of the rigging and all attachments
• The capacity listed in the load chart plus the weight of the rigging and all attachments
• The capacity listed in the load chart minus the weight of the rigging and all attachments not in use
• The capacity listed in the load chart minus the weight of the rigging alone - ANSWER✔✔-a.
• What may happen to a properly rigged load when lifted off the ground unless the operator takes

account of boom deflection?

• It could swing out away from the crane
• It could swing in towards the crane
• It could raise absolutely vertically 2 / 3

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• It could shift in its rigging - ANSWER✔✔-a.
• What Standard Method hand signal is being illustrated?

• Swing
• Stop
• Emergency Stop
• Travel - ANSWER✔✔-a.
• Who should an operator respond to a "stop" signal from?
• Appointed signal person only
• Project manager only
• Superintendent only
• Anyone - ANSWER✔✔-d.
• Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the

manufacturer states otherwise?

• The side
• The rear
• The front
• The outriggers - ANSWER✔✔-c.
• What is the definition of "operating radius?"
• / 3