Excavator Operator Certification Exam Prep · Question
An excavator is positioned on a slight incline (5 degrees) for a general excavation task. One track is lower than the other. What is the most stable position for the boom and attachment for general excavation on this slope?
For general excavation on a slight incline, pointing the boom and attachment downhill, directly away from the machine, generally provides better stability. This
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Question: An excavator is positioned on a slight incline (5 degrees) for a general excavation task. One track is lower than the other. What is the most stable position for the boom and attachment for general excavation on this slope?
Answer options: ✅ Pointing downhill, directly away from the machine
- Pointing uphill, directly towards the machine
- Perpendicular to the slope, over the lower track
- Towards the highest point of the ground, over the higher track
Correct answer: Pointing downhill, directly away from the machine
Explanation: For general excavation on a slight incline, pointing the boom and attachment downhill, directly away from the machine, generally provides better stability. This positions the load further down the slope, counteracting the tendency for the machine to tip uphill. Operating perpendicular to the slope or over the higher track would decrease 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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