How many ANSI/ASME audible signals are listed?

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Multiple Choice

How many ANSI/ASME audible signals are listed?

Explanation:
Three distinct audible signals are listed in ANSI/ASME. In signaling for crane and rigging operations, these three patterns provide clear, mutually understood cues between the operator and the ground crew, helping to coordinate movements even in noisy environments. The standard emphasizes distinguishing signals so commands and statuses are quickly recognizable, and that focus on three patterns is why the correct count is three.

Three distinct audible signals are listed in ANSI/ASME. In signaling for crane and rigging operations, these three patterns provide clear, mutually understood cues between the operator and the ground crew, helping to coordinate movements even in noisy environments. The standard emphasizes distinguishing signals so commands and statuses are quickly recognizable, and that focus on three patterns is why the correct count is three.

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