Excavator Operator Certification Exam Prep · Question
What is the consequence of operating an excavator with excessive slack in the track chains?
Excessive slack in track chains leads to increased wear on critical undercarriage components such as sprockets, idlers, and rollers, as well as an increased ris
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Question: What is the consequence of operating an excavator with excessive slack in the track chains?
Answer options: ✅ Increased wear on sprockets and idlers, potential de-tracking, and reduced power transfer.
- Improved fuel efficiency due to less resistance.
- Smoother ride for the operator on uneven terrain.
- Better traction in soft ground conditions.
Correct answer: Increased wear on sprockets and idlers, potential de-tracking, and reduced power transfer.
Explanation: Excessive slack in track chains leads to increased wear on critical undercarriage components such as sprockets, idlers, and rollers, as well as an increased risk of de-tracking, which can cause significant downtime and damage. It can also reduce the efficiency of power transfer. It does not improve fuel efficiency, ride, or traction.
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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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