NCCCO MOBILE CRANE QUESTIONS

NCCCO MOBILE CRANE QUESTIONS

AND ANSWERS | LATEST UPDATE |

• Where must the operator's manual be kept during crane operations?
• The operator's manual must be kept in a location that is readily available
• The operator's manual must be kept in the cab at all times
• The operator's manual must be kept in the dispatch office
• The operator's manual must be kept in a secure place ✔✔b.

• What is the definition of "operating radius?"
• The distance from the base of the boom to the center of the load b. The distance from the front

of the crane to the center of gravity of the load

• The distance from the center of rotation of the crane to the center of the load
• The distance from the center of rotation of the crane to the center of gravity of the load ✔✔d.

• What shall be in the operators cab during crane operations?
• load charts
• Inspection reports 1 / 3

• Hand signal chart
• The crane log ✔✔a.

• What applies to the capacities below the bold line shown on a load chart?
• They are based on the structural strength of the crane
• They must not be used
• They are based on the stability of the crane
• They should only be used if the crane is set up on outriggers ✔✔c.

• Which of the following is considered duty cycle work?
• Pile- driving
• Setting trusses
• Clam - Shell digging

d Unloading trucks ✔✔c.

• In which quadrant are rough terrain crane capacities generally greater?
• Over the front
• Over the rear 2 / 3

• Over the right side
• Over the left side ✔✔a.

• When doing cycle work, the load chart must be reduced by how much?
• 50%
• 20%
• 30%
• none ✔✔b.

• 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 ✔✔c.

• According to federal requirements, under what conditions is it okay for a person to ride the

headache ball?

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