← All NCCCO Flashcard Decks

Signals and Communication Standards Flashcards

6 cards from real NCCCO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Signals and Communication Standards flashcards as text
  1. According to ASME B30.5, which signal must be obeyed by the crane operator regardless of who gives it?

    Answer: The 'stop' signal, which must be obeyed immediately by the crane operator no matter who gives it

    The 'stop' signal must be obeyed by the crane operator immediately regardless of who gives it — any worker on the job site can stop crane operations for safety.

  2. What is the hand signal for 'boom up' in the standard ASME B30.5 signal system?

    Answer: Arm extended with thumb pointing up, index finger pointing skyward

    The standard ASME B30.5 hand signal for 'boom up' is arm extended with the thumb pointing up and the index finger pointing skyward.

  3. When radio communication is used between a signal person and a crane operator, what must occur before a new signal person takes over communication?

    Answer: The new signal person must be identified to the operator and the operator must acknowledge the change before taking signals from the new person

    When a new signal person takes over, the operator must be informed of the change and must acknowledge the new signal person before accepting direction from them, to prevent confusion or unauthorized direction.

  4. What qualification must a person have to serve as a signal person for crane operations under OSHA 29 CFR 1926 Subpart CC?

    Answer: Signal persons must be qualified by passing a written or practical test administered by a qualified evaluator, or be evaluated by a qualified assessor

    OSHA 1926.1419 requires signal persons to be qualified — demonstrating knowledge of the standard signals and when to use them, and ability to use them correctly — through testing by a qualified evaluator.

  5. When a crane operator loses visual contact with the signal person during a lift, what action must the operator take?

    Answer: Stop all crane movement immediately and do not resume until communication is reestablished with the signal person

    When visual contact with the signal person is lost during a lift, the operator must immediately stop all crane movement and not resume until communication is reestablished.

  6. What is the hand signal for 'use main hoist' in the ASME B30.5 standard signal system?

    Answer: Tap the top of the head with the fist, then give any motion signal

    The ASME B30.5 signal for 'use main hoist' is tapping the top of the head with the fist, then giving the appropriate motion signal.