MCQOPTIONS
Saved Bookmarks
| 1. |
Typical frequencies which might be used to perform ultrasonic testing of ferrous and non-ferrous welds are: |
| A. | 25 to 100 kHz |
| B. | 200 to 5 MHz |
| C. | 1 MHz to 5 MHz |
| D. | 2.25 MHz to 10 MHz |
| Answer» D. 2.25 MHz to 10 MHz | |