Excavator Operator Certification Exam Prep · Question
An excavator operator has just loaded a 30-tonne excavator onto a low-bed trailer. The excavator's centre of gravity is slightly forward of the trailer's tandem axles. What is the primary concern for weight distribution in this scenario?
Proper weight distribution is crucial to prevent overloading the truck's steering axle and affecting steering capabilities. While other options relate to transp
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Question: An excavator operator has just loaded a 30-tonne excavator onto a low-bed trailer. The excavator's centre of gravity is slightly forward of the trailer's tandem axles. What is the primary concern for weight distribution in this scenario?
Answer options:
- Ensuring the overall length does not exceed provincial regulations. ✅ Preventing excessive weight on the trailer kingpin, which could overload the truck's steering axle.
- Distributing weight evenly to minimize tire wear on the trailer.
- Maximizing the excavator's ground clearance during transit.
Correct answer: Preventing excessive weight on the trailer kingpin, which could overload the truck's steering axle.
Explanation: Proper weight distribution is crucial to prevent overloading the truck's steering axle and affecting steering capabilities. While other options relate to transportation, kingpin weight directly impacts the safety and legality of the truck-trailer combination.
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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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