Q. An advantage of AC equipment over DC is:

  • (A) AC is more penetrating
  • (B) AC is less hazardous
  • (C) AC makes the magnetic particles more mobile on the test surface
  • (D) AC equipment is heavier than DC
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✅ Correct Answer: (C) AC makes the magnetic particles more mobile on the test surface

Published by Mr. Dubey ⭐ 104.82K Points at 21-Sep-2023 07:19 pm in Non Destructive Testing and Evaluation

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