Excavator Operator Certification Exam Prep · Question
During the loading of an excavator onto a float trailer, the operator notices that the excavator's tracks are slipping on the trailer's ramps. What is the most appropriate action to take?
Slipping tracks indicate a loss of traction, often due to contaminants like mud, ice, or oil on the ramps. The safest action is to stop, identify and resolve th
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Question: During the loading of an excavator onto a float trailer, the operator notices that the excavator's tracks are slipping on the trailer's ramps. What is the most appropriate action to take?
Answer options:
- Increase the excavator's engine RPMs to gain more traction.
- Apply grease to the ramps to reduce friction and allow easier movement. ✅ Stop loading, assess the ramp condition for mud/ice, and clean them if necessary.
- Have another piece of equipment push the excavator up the ramps.
Correct answer: Stop loading, assess the ramp condition for mud/ice, and clean them if necessary.
Explanation: Slipping tracks indicate a loss of traction, often due to contaminants like mud, ice, or oil on the ramps. The safest action is to stop, identify and resolve the cause, such as cleaning the ramps. Increasing RPMs can worsen slipping, greasing ramps is extremely dangerous, and pushing with other equipment introduces additional hazards.
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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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