What is typically the frequency used in ultrasonic inspection?(a) 0.1 MHz to 15 MHz(b) 0.5 MHz to 13 MHz(c) 1 MHz to 17 MHz(d) 1.8 MHz to 19 MHzI had been asked this question at a job interview.Asked question is from Ultrasonic Inspection topic in division Non Destructive Techniques of Casting-Forming-Welding II

What is typically the frequency used in ultrasonic inspection?(a) 0.1

1.	What is typically the frequency used in ultrasonic inspection?(a) 0.1 MHz to 15 MHz(b) 0.5 MHz to 13 MHz(c) 1 MHz to 17 MHz(d) 1.8 MHz to 19 MHzI had been asked this question at a job interview.Asked question is from Ultrasonic Inspection topic in division Non Destructive Techniques of Casting-Forming-Welding II
Answer» Right answer is (a) 0.1 MHZ to 15 MHz The explanation: Ultrasonic TESTING is one of the most commonly USED METHOD for testing of MATERIALS. The general frequency of ultrasonic testing is in the range of 0.1 MHz to 15 MHz.

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