Q. A method of compensating for the ‘dead zone’ or near surface resolution problems isto: (Solved)
1. Inspect all areas of the test piece twice to assure repeatability of indications
2. Re-inspect from the opposite side of the test piece if geometry permits
3. Re-inspect using a higher energy pulse
4. Re-inspect using a higher frequency transducer that does not have a ‘dead
- b. Re-inspect from the opposite side of the test piece if geometry permits