How is the filler metal introduced into the GTAW weld pool?

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Prepare for the GTAW Advanced Welding Exam. Use flashcards and multiple choice questions, each with hints and detailed explanations. Excel in the exam!

Multiple Choice

How is the filler metal introduced into the GTAW weld pool?

Explanation:
In GTAW, the weld bead is built by melting base metal with a tungsten arc, while filler metal is added separately by the welder. The filler rod is fed by hand into the molten pool and melts to fuse with the base metal, allowing you to build up the weld along the joint. This manual addition is characteristic of TIG welding, whereas automatic wire feeding belongs to MIG welding, filler preplacement as a paste isn’t standard practice, and soldering after welding is a different, lower-temperature process.

In GTAW, the weld bead is built by melting base metal with a tungsten arc, while filler metal is added separately by the welder. The filler rod is fed by hand into the molten pool and melts to fuse with the base metal, allowing you to build up the weld along the joint. This manual addition is characteristic of TIG welding, whereas automatic wire feeding belongs to MIG welding, filler preplacement as a paste isn’t standard practice, and soldering after welding is a different, lower-temperature process.

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