Heavy Equipment Operator Certification Exam Prep · Question
When operating a backhoe and excavating a trench, what is the most appropriate bucket action to clean the trench bottom flat and level?
Coordinating the bucket curl and stick retraction allows for precise control of the cutting edge to shave off material smoothly, creating a flat and level trenc
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Question: When operating a backhoe and excavating a trench, what is the most appropriate bucket action to clean the trench bottom flat and level?
Answer options:
- Crowd the bucket in aggressively, then lift the boom.
- Fully extend the stick and drag the bucket towards the machine, keeping the bucket flat. ✅ Use the bucket curl and stick simultaneously to shave off a thin layer while retracting.
- Rock the bucket side-to-side to spread the material.
Correct answer: Use the bucket curl and stick simultaneously to shave off a thin layer while retracting.
Explanation: Coordinating the bucket curl and stick retraction allows for precise control of the cutting edge to shave off material smoothly, creating a flat and level trench bottom without gouging or leaving ridges.
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