Heavy Equipment Operator Certification Exam Prep · Question
When a spotter is guiding a grader backing up towards an obstruction, what hand signal typically indicates to the operator to 'stop'?
A common hand signal for 'stop' is both arms extended horizontally, palms facing forward, held steady. This is a widely recognized signal for clear communicatio
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Question: When a spotter is guiding a grader backing up towards an obstruction, what hand signal typically indicates to the operator to 'stop'?
Answer options:
- One arm extended horizontally, palm down, waving slowly.
- Both arms extended horizontally, palms facing inwards, moved inwards and outwards repeatedly.
- One arm extended upward, palm facing the operator. ✅ Both arms extended horizontally, palms facing forward, held steady.
Correct answer: Both arms extended horizontally, palms facing forward, held steady.
Explanation: A common hand signal for 'stop' is both arms extended horizontally, palms facing forward, held steady. This is a widely recognized signal for clear communication between operators and ground personnel.
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