Q. Which of the following statements accurately describes the capabilities of liquidpenetrant testing? (Solved)
1. Liquid penetrant testing is useful for locating subsurface discontinuities in a test piece
2. Liquid penetrant testing is useful for locating discontinuities in porous materials
3. Liquid penetrant testing is useful for locating discontinuities which are open to the surface in non-porous materials
4. none of the above
- c. Liquid penetrant testing is useful for locating discontinuities which are open to the surface in non-porous materials