For ultrasonic testing, which of the following statements is true? a) It is easy to identify all defects b) The equipment shall be calibrated before use c) The equipment cannot be automated d) Sound waves will not travel through copper

For ultrasonic testing, which of the following statements is true?
a) It is easy to identify all defects b) The equipment shall be calibrated before use c) The equipment cannot be automated d) Sound waves will not travel through copper
by

1 Answer

Answer :

b) The equipment shall be calibrated before use
by

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What is the frequency of ultrasonic waves? -General Knowledge

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