Visual Testing (VT) Practice Exam 2025 – Comprehensive All-in-One Guide for Exam Success!

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During which welding process are tungsten inclusions often found?

GMAW

GTAW

The presence of tungsten inclusions is commonly associated with the Gas Tungsten Arc Welding (GTAW) process. This technique, also referred to as TIG (Tungsten Inert Gas) welding, utilizes a non-consumable tungsten electrode to produce the weld. The electrode can become contaminated during the welding process if it touches the molten weld pool or if the welding parameters are not properly set, leading to tungsten inclusions in the weld bead.

These inclusions can negatively affect the integrity and mechanical properties of the weld, making them a significant concern for welders. Understanding the risk of tungsten inclusions is crucial for ensuring high-quality welding results and maintaining the strength and reliability of the welded joint. This highlights the importance of proper technique and careful operation during the GTAW process to minimize the likelihood of such inclusions.

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SMAW

None of the above

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