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


​Tower Crane Operator

Written Exam - Sample Question Answers

Following are the answers to the Tower Crane Operator Written Exam sample test questions:

  1. An overhead power line is ALWAYS considered to be:
    1. Energized until the power company has verified that it is not energized
  1. Maintenance personnel are permitted to operate the crane only when:
    1. Performing their duties
  1. According to ASME B30.3, who should be present when climbing or telescoping operations take place?
    1. Operator
  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
  1. According to OSHA 1926 Subpart CC, what shall be provided at both ends of travel of the trolley?
    1. Buffers
  1. All controls shall be tested by the operator:
    1. At the start of a new shift