When accomplishing welding repairs using the electric arc welding process, what statement is true concerning the characteristics of a good quality weld when welding a single-V butt joint?

Correct Answer: Option C — There should be no overlap and no undercut at the toe of the weld.

A high-quality weld must be free of overlap, which indicates poor fusion at the toes, and undercut, which creates a groove that acts as a stress riser. Proper welding technique ensures a smooth transition between the weld bead and the base metal, maintaining structural continuity and fatigue resistance.