What is not a recommended practice for adding filler metal in GTAW?

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Prepare for the SkillsUSA District Welding Test with interactive quizzes. Enhance your skills with multiple choice questions and detailed explanations. Ensure success with the best resources available!

Multiple Choice

What is not a recommended practice for adding filler metal in GTAW?

Explanation:
In GTAW, filler metal should be fed into the molten weld pool continuously as you weld. Keeping the filler in the weld zone ensures it melts and fuses with the base metal and any previously deposited filler, building a sound, properly filled joint. Removing filler from the weld zone to let it cool interrupts deposition, causes the weld to be underfilled, and increases the risk of cold joins, lack of fusion, or porosity. For best results, feed filler smoothly and keep it at the edge of the molten pool so it can contribute to a consistent bead.

In GTAW, filler metal should be fed into the molten weld pool continuously as you weld. Keeping the filler in the weld zone ensures it melts and fuses with the base metal and any previously deposited filler, building a sound, properly filled joint. Removing filler from the weld zone to let it cool interrupts deposition, causes the weld to be underfilled, and increases the risk of cold joins, lack of fusion, or porosity. For best results, feed filler smoothly and keep it at the edge of the molten pool so it can contribute to a consistent bead.

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