MCQOPTIONS
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MCQOPTIONS
| 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 MHz |
| Answer» B. 0.5 MHz to 13 MHz | |