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Telehandler Operator Certification Exam Prep · Question

A load chart displays multiple concentric arcs, each marked with a specific weight. What do these arcs primarily represent?

These arcs on a load chart typically represent the maximum safe lifting capacities for various combinations of horizontal reach (radius) and boom angle. Operato

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Question: A load chart displays multiple concentric arcs, each marked with a specific weight. What do these arcs primarily represent?

Answer options:

  • The maximum allowable wind speed for operations at that radius.
  • The lift height at which a specific load capacity is achieved. ✅ The maximum safe lifting capacity at a given horizontal reach (radius) and boom angle.
  • The maximum hydraulic pressure required to lift a load at that radius.

Correct answer: The maximum safe lifting capacity at a given horizontal reach (radius) and boom angle.

Explanation: These arcs on a load chart typically represent the maximum safe lifting capacities for various combinations of horizontal reach (radius) and boom angle. Operators must ensure their current lift parameters fall within the safe operating envelope defined by these arcs, as per CSA B354.7.

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