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M

Mr. Dubey • 100.64K Points
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Q. During immersion ultrasonic testing of pipe or tubing, spurious echoes may be caused by:

  • (A) Dirt on the test piece
  • (B) Grease on the test piece
  • (C) Air bubbles on the test piece
  • (D) All of the above
  • Correct Answer - Option(D)
  • Views: 866
  • Filed under category Non Destructive Testing and Evaluation
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