Excavator Operator Certification Exam Prep · Question
What is the primary purpose of sloping the sides of a trench?
The primary purpose of sloping the sides of a trench is to prevent trench collapse, which is a major safety hazard. Sloping reduces the pressure on the trench w
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Question: What is the primary purpose of sloping the sides of a trench?
Answer options:
- To reduce the amount of backfill material needed.
- To improve drainage within the trench. ✅ To prevent trench collapse.
- To make it easier for workers to climb in and out.
Correct answer: To prevent trench collapse.
Explanation: The primary purpose of sloping the sides of a trench is to prevent trench collapse, which is a major safety hazard. Sloping reduces the pressure on the trench walls, making them more stable. While it might offer some secondary benefits, trench stability for worker safety is the main reason.
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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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