Excavator Operator Certification Exam Prep · Question
After successfully loading a 20-tonne excavator onto a float trailer, the operator needs to position it optimally for transport. Which of the following positions is generally preferred for weight distribution?
Centring the excavator over the trailer axles ensures optimal weight distribution, preventing excessive tongue weight on the truck or insufficient weight on the
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Question: After successfully loading a 20-tonne excavator onto a float trailer, the operator needs to position it optimally for transport. Which of the following positions is generally preferred for weight distribution?
Answer options:
- As far forward as possible, with the boom swung directly over the truck cab. ✅ Centred over the trailer axles to distribute weight evenly.
- As far back as possible, to reduce tongue weight on the truck.
- With the tracks positioned slightly off-centre to the left, to counteract road crown.
Correct answer: Centred over the trailer axles to distribute weight evenly.
Explanation: Centring the excavator over the trailer axles ensures optimal weight distribution, preventing excessive tongue weight on the truck or insufficient weight on the drive axles, both of which can compromise vehicle stability and control. Extreme forward or backward positioning, or intentional off-centring, is incorrect.
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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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