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Mr. Dubey • 100.64K Points
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Q. During immersion testing of pipe or tubing the incident longitudinal wave angle must be limited to a narrow range. The reason for the upper limit is:

  • (A) To avoid complete reflection of ultrasound from the test piece
  • (B) To prevent formation of Rayleigh waves
  • (C) To prevent formation of shear waves
  • (D) To avoid saturating the test piece with ultrasound
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