πŸ“Š Non Destructive Testing and Evaluation
Q. A significant limitation of a lower frequency, single element transducer is:
  • (A) Scatter of sound beam due to microstructure of test object
  • (B) Increased grain noise or ‘hash’
  • (C) Less beam spread
  • (D) Impaired ability to display discontinuities just below the entry surface
πŸ’¬ Discuss
βœ… Correct Answer: (D) Impaired ability to display discontinuities just below the entry surface

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