Which characteristic of a good weld indicates proper technique?

A uniform bead appearance is a key characteristic of a good weld that reflects proper technique. When a welder produces a bead with consistent width, height, and profile throughout, it indicates that they are maintaining a steady hand and appropriate travel speed, angle, and heat input. This uniformity not only contributes to the aesthetic quality of the weld but also ensures structural integrity by allowing for an even distribution of stress across the weld joint.

Proper technique involves the careful control of various welding parameters, including voltage, amperage, travel speed, and wire feed rate, all of which contribute to a consistent deposit of filler material. A uniform bead is crucial for achieving the necessary fusion between the base metals, as it minimizes the risk of defects such as porosity or incomplete fusion that can occur with inconsistently applied welds. Therefore, the presence of a uniform bead is a strong indicator of skillful welding practices and an understanding of the welding process.