National Commission for the
Certification of Crane Operators
Committed to Quality, Integrity, and Fairness in Testing since 1995


​Tower Crane Operator

Written Exam - Sample Questions

The following are sample test questions typical of the style and content of the questions used in NCCCO Written Examinations.

  1. An overhead power line is ALWAYS considered to be:
    1. Energized until the power company has verified that it is not energized
    2. Safe as long as the load, hoist rope, and structure are kept at least ten feet away
    3. De-energized if there is not power on the job site
    4. De-energized if the line has a safety cover over it
  1. Maintenance personnel are permitted to operate the crane only when:
    1. It is a light load
    2. The operator is not available
    3. Performing their duties
    4. Winds are less than 20 mph
  1. According to ASME B30.3, who should be present when climbing or telescoping operations take place?
    1. Supervisor
    2. Field tech
    3. Operator
    4. Manufacturer’s representative
  1. According to OSHA 1926 Subpart CC, when a wire rope bridle is used to connect the personnel platform to the load line, each bridle leg shall be connected to a:
    1. Master link
    2. Cable clamp
    3. Pelican hook
    4. Becket pin
  1. According to OSHA 1926 Subpart CC, what shall be provided at both ends of travel of the trolley?
    1. Buffers
    2. Warning lights
    3. Paint marks
    4. Trolley basket
  1. All controls shall be tested by the operator:
    1. Every 100 hours of running time
    2. At the start of a new shift
    3. After any critical lift
    4. After erection only

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