Excavator Operator Certification Exam Prep · Question
A worker is spotting for an excavator that is backfilling a trench. The operator notices that the spotter is frequently looking down at their phone and is not maintaining eye contact. What should the operator do?
A distracted spotter creates a significant struck-by hazard. The operator's primary responsibility is safety; operations must cease until the spotter's full att
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Question: A worker is spotting for an excavator that is backfilling a trench. The operator notices that the spotter is frequently looking down at their phone and is not maintaining eye contact. What should the operator do?
Answer options:
- Continue working, but use the horn more frequently to get the spotter's attention. ✅ Stop operation immediately and address the spotter's inattention.
- Assume the spotter is still aware and continue backfilling at a slower pace.
- Switch to hand signals only, as verbal communication might not be heard.
Correct answer: Stop operation immediately and address the spotter's inattention.
Explanation: A distracted spotter creates a significant struck-by hazard. The operator's primary responsibility is safety; operations must cease until the spotter's full attention is regained and maintained to ensure safe movement of the machine.
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Question explanations
- During a final inspection of an excavator, prior to beginning work, an operator notices significant play in th
- An excavator operator is preparing to dig a trench in cohesive soil. To achieve maximum breakout force, what a
- Which control typically governs the arm (or dipper arm) movement for an excavator?
- What condition might require sloping or shoring of a trench less than 1.2 meters (4 feet) deep?
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