Excavator Operator Certification Exam Prep · Question
During excavation, a ground worker enters the swing radius of an excavator to reposition a pipe. What is the immediate and most appropriate action the operator should take?
Any unauthorized entry into the excavator's swing radius requires immediate cessation of all machine operations to prevent a struck-by incident, as per OHS regu
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Question: During excavation, a ground worker enters the swing radius of an excavator to reposition a pipe. What is the immediate and most appropriate action the operator should take?
Answer options:
- Continue the swing, but alert the worker with the horn. ✅ Immediately stop all machine movement.
- Complete the current loading cycle before pausing.
- Adjust the swing speed to a slower pace.
Correct answer: Immediately stop all machine movement.
Explanation: Any unauthorized entry into the excavator's swing radius requires immediate cessation of all machine operations to prevent a struck-by incident, as per OHS regulations regarding equipment proximity to personnel.
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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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