Excavator Operator Certification Exam Prep · Question
When approaching a trench, what is the minimum safe distance an excavator should maintain from the edge, unless otherwise specified by an engineer?
A common safety guideline, often required by OHS regulations, is to maintain a distance from the edge of an excavation equal to its depth. This helps prevent co
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Question: When approaching a trench, what is the minimum safe distance an excavator should maintain from the edge, unless otherwise specified by an engineer?
Answer options: ✅ The depth of the trench.
- At least 1 meter (3 feet).
- Twice the depth of the trench.
- 1.2 meters (4 feet).
Correct answer: The depth of the trench.
Explanation: A common safety guideline, often required by OHS regulations, is to maintain a distance from the edge of an excavation equal to its depth. This helps prevent collapse due to the weight 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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