Heavy Equipment Operator Certification Exam Prep · Question
When a ground person gives a 'stop' signal with both arms extended overhead, palms forward, what is the heavy equipment operator expected to do?
Standard hand signals dictate that both arms extended overhead, palms forward, indicates an emergency stop, and the operator must immediately cease all machine
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Question: When a ground person gives a 'stop' signal with both arms extended overhead, palms forward, what is the heavy equipment operator expected to do?
Answer options: ✅ Immediately stop all machine movement.
- Slow down and prepare to stop.
- Continue operations cautiously.
- Honk the horn to acknowledge the signal.
Correct answer: Immediately stop all machine movement.
Explanation: Standard hand signals dictate that both arms extended overhead, palms forward, indicates an emergency stop, and the operator must immediately cease all machine movement for safety, as per CSA B189 for safety signals.
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