EPRI Rigger’s Handbook Practice Test

What does a 2 short audible signal indicate when the crane is moving?

Stop Go ahead Back up Pause

Correct Answer:

Go ahead

Explanation:

Two short audible signals are a clear go-ahead from the signaler to the crane operator. They indicate that the path is clear and the operator should continue the planned movement in the indicated direction. This pattern serves as a positive instruction to proceed; different signals would be used to stop or pause, so hearing two short signals means keep moving as you were planned. Always stay attentive to the signaler and confirm any changes if hazards arise.

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