Q. Which of the following describes the best technique for applying dry magnetic particles to a test piece?

  • (A) Dip the test piece in a tank of dry particles while current is flowing
  • (B) Apply with an electrostatic spray gun at approximately 30 PSIG
  • (C) Gently pour the powder onto the test piece
  • (D) Shake or dust the powder onto the test piece with minimum velocity
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✅ Correct Answer: (D) Shake or dust the powder onto the test piece with minimum velocity

Published by Mr. Dubey ⭐ 104.85K Points at 21-Sep-2023 07:19 pm in Non Destructive Testing and Evaluation

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