Excavator Operator Certification Exam Prep · Question
What is the primary risk associated with operating an excavator with excessively loose track tension?
Excessively loose track tension causes the track to flop around, leading to accelerated wear on the sprockets, idlers, and rollers. Crucially, it significantly
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Question: What is the primary risk associated with operating an excavator with excessively loose track tension?
Answer options:
- Reduced fuel efficiency due to increased friction. ✅ Premature wear on sprockets and idlers, and increased risk of de-tracking.
- Difficulty in steering due to lack of traction.
- Reduced digging force and hydraulic pressure.
Correct answer: Premature wear on sprockets and idlers, and increased risk of de-tracking.
Explanation: Excessively loose track tension causes the track to flop around, leading to accelerated wear on the sprockets, idlers, and rollers. Crucially, it significantly increases the risk of the track coming off (de-tracking), which is a serious operational hazard and can cause significant downtime and damage.
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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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