Excavator Operator Certification Exam Prep · Question
You are excavating and find a bundle of yellow-jacketed cables that were not previously marked. What is the most likely type of utility you have uncovered?
Yellow-jacketed cables are commonly used for fibre optic communication lines, particularly in buried applications. While colour coding can vary, yellow is a str
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Question: You are excavating and find a bundle of yellow-jacketed cables that were not previously marked. What is the most likely type of utility you have uncovered?
Answer options:
- Storm sewer line.
- Potable water service line.
- High-voltage electrical cables. ✅ Fibre optic communication lines.
Correct answer: Fibre optic communication lines.
Explanation: Yellow-jacketed cables are commonly used for fibre optic communication lines, particularly in buried applications. While colour coding can vary, yellow is a strong indicator for communication infrastructure.
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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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