McqMate
| Q. |
The most useful range of incident longitudinal wave angles for ultrasonic testing is: |
| A. | Normal incidence to the first critical angle |
| B. | First critical angle to the second critical angle |
| C. | Second critical angle to the third critical angle |
| D. | Above the third critical angle |
| Answer» A. Normal incidence to the first critical angle | |
View all MCQs in
Non Destructive Testing and EvaluationNo comments yet