How would you perform a visual inspection of a TIG butt weld and what indicators reveal acceptable weld quality?

How would you perform a visual inspection of a TIG butt weld and what indicators reveal acceptable weld quality?

• A. Check fit-up
• B. Verify dimensions with gauges
• C. Check fit-up, root penetration, uniform bead profile, absence of porosity, cracks, or undercut; verify dimensions with gauges
• D. Visual inspection is not sufficient; only NDT matters

Answer: (C)