Excavator Operator Certification Exam Prep · Question
An excavator operator discovers an unidentifed underground utility line during excavation. What is the immediate and most appropriate action to take?
Discovering an unidentified utility requires immediate cessation of work to prevent damage or injury. The area must be secured, and the discovery reported to a
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Question: An excavator operator discovers an unidentifed underground utility line during excavation. What is the immediate and most appropriate action to take?
Answer options:
- Carefully expose the line using the excavator bucket to identify it. ✅ Immediately stop excavation, secure the area, and report the discovery to a supervisor.
- Try to follow the line's path to determine its purpose.
- Mark the line with paint and continue excavating around it.
Correct answer: Immediately stop excavation, secure the area, and report the discovery to a supervisor.
Explanation: Discovering an unidentified utility requires immediate cessation of work to prevent damage or injury. The area must be secured, and the discovery reported to a supervisor so appropriate identification and safe work procedures can be implemented.
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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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