Q. When using a post emulsifiable penetrant process, it is important to drain as much excess penetrant as possible from the surface of a test piece which has been immersed in the penetrant because: (Solved)
1. Too much penetrant on the part surface may lead to more rapid penetration and over-sensitivity
2. A thinner layer of penetrant is likely to have higher capillary action and, thus, be more sensitive to fine discontinuities
3. A thinner layer of penetrant will result in less penetrant contamination in the emulsifier tank
4. None of the above
- d. None of the above