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Loader Operator Certification Exam Prep · Question

According to CSA B335-15 (Safety Standard for Lift Trucks) which is often referenced for general mobile equipment operation best practices, how should a loader operator approach a stockpile to prevent undercutting or creating an overhang?

Working the pile from the top down and maintaining a stable, sloped face prevents material from caving, undercutting, or creating dangerous overhangs that can c

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Question: According to CSA B335-15 (Safety Standard for Lift Trucks) which is often referenced for general mobile equipment operation best practices, how should a loader operator approach a stockpile to prevent undercutting or creating an overhang?

Answer options:

  • Always dig from the middle of the pile.
  • Only dig from the top downward, pushing material towards the base. ✅ Work the pile from the top down, maintaining a safe, stable face.
  • Dig from the base upwards to loosen the material.

Correct answer: Work the pile from the top down, maintaining a safe, stable face.

Explanation: Working the pile from the top down and maintaining a stable, sloped face prevents material from caving, undercutting, or creating dangerous overhangs that can collapse without warning.

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