Excavator Operator Certification Exam Prep · Question
An excavator is operating on a 15-degree slope. The operator needs to dig a trench parallel to the slope. To maintain stability, which direction should the excavator's tracks be oriented relative to the slope?
When operating on a slope, the tracks should generally be oriented uphill and downhill, parallel to the slope boundary. This provides the widest and most stable
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Question: An excavator is operating on a 15-degree slope. The operator needs to dig a trench parallel to the slope. To maintain stability, which direction should the excavator's tracks be oriented relative to the slope?
Answer options:
- Perpendicular to the slope for maximum reach
- Downhill, parallel to the slope boundary ✅ Uphill and downhill, parallel to the slope boundary
- Across the slope, perpendicular to the slope boundary
Correct answer: Uphill and downhill, parallel to the slope boundary
Explanation: When operating on a slope, the tracks should generally be oriented uphill and downhill, parallel to the slope boundary. This provides the widest and most stable base for the excavator, minimizing the risk of tipping over when digging or slewing. Orienting across the slope or perpendicular would significantly reduce stability.
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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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