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Heavy Equipment Operator Certification Exam Prep · Question

When a ground person signals a heavy equipment operator by holding both arms out to the sides, level with the shoulders, and slowly swinging them back and forth, what instruction are they conveying?

The standard ground-person hand signal for 'slow down' involves holding both arms out horizontally and swinging them slowly back and forth.

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Question: When a ground person signals a heavy equipment operator by holding both arms out to the sides, level with the shoulders, and slowly swinging them back and forth, what instruction are they conveying?

Answer options:

  • Stop operations immediately
  • Lower the attachment
  • Move forward ✅ Slow down

Correct answer: Slow down

Explanation: The standard ground-person hand signal for 'slow down' involves holding both arms out horizontally and swinging them slowly back and forth.

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