Common miss
Direct answer
The common mistake is treating NDE method selection as a loose phrase instead of a rule, condition, or field decision with consequences. NDE method selection is one of the core study areas for CWI Part A Fundamentals Practice Test. If you miss this area, review the explanation, tag the weak concept, and drill nearby topics such as Welding process identification, Metallurgy and heat-control basics, Discontinuity vocabulary.
How to use this answer
Read the answer once, then prove it by choosing an answer in a practice question before looking at the explanation. If the miss repeats, tag the domain as Study module and drill a smaller set before returning to mixed practice.