Excavator Operator Certification Exam Prep · Question
The excavation site has overhead powerlines at 25 kV. To ensure safety, a designated spotter is required. What is the spotter's primary responsibility in this scenario?
A spotter's primary role when working near overhead powerlines is to continuously observe the equipment's proximity to the lines and alert the operator if the m
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Question: The excavation site has overhead powerlines at 25 kV. To ensure safety, a designated spotter is required. What is the spotter's primary responsibility in this scenario?
Answer options:
- To direct vehicular traffic around the excavation. ✅ To ensure the excavator operator maintains the required minimum approach distance to powerlines.
- To monitor ground conditions for stability during digging.
- To communicate with the utility company if power is lost.
Correct answer: To ensure the excavator operator maintains the required minimum approach distance to powerlines.
Explanation: A spotter's primary role when working near overhead powerlines is to continuously observe the equipment's proximity to the lines and alert the operator if the minimum safe approach distance is being compromised. This is a critical control measure mandated by occupational health and safety regulations.
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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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