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- Master & Mate (Oceans or Near Coastal (Limited Tonnage: Less Than 200 GRT)) »
- Q151 - Deck Safety
212. Which weld fault can only be detected by a method that examines the internal structure of a weld?
Lack of penetration is an internal defect requiring internal structure examination methods like radiography or ultrasonics, unlike lack of reinforcement, overlap, and undercut, which are visible surface defects detectable through visual inspection.
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