Q. What action is necessary if the penetrant is inadvertently allowed to dry on the testpiece? (Solved)
1. Repeat the test, beginning with the pre-cleaning operation
2. Re-wet the penetrant, begin dwell time again and continue
3. Clean the penetrant off the surface and develop normally
4. Clean the penetrant off the surface, wait 5 minutes and develop normally
- a. Repeat the test, beginning with the pre-cleaning operation