Gas Tungsten Arc Welding (GTAW) Setup Practice Test 2025 – Comprehensive All-in-One Guide to Exam Success!

Question: 1 / 400

How does the angle of the torch affect the arc stability?

It has no effect on the arc stability

It influences gas coverage and arc stability; improper angles may lead to disturbances

The angle of the torch significantly influences gas coverage and arc stability during the welding process. When the torch is held at an inappropriate angle, it can create a few issues that affect the quality of the weld. First, if the angle is too steep or too flat, the shielding gas may not effectively cover the weld pool. This can lead to contamination from the atmosphere, resulting in defects such as porosity or oxidation.

Moreover, the angle impacts the arc length, which is crucial for maintaining a stable and consistent arc. An improper angle can cause the arc to become erratic, leading to fluctuations in heat application, which can ultimately affect the penetration and the overall quality of the weld. Thus, a well-maintained and properly adjusted torch angle is essential for ensuring both gas coverage and arc stability, thereby contributing to the success of the GTAW process.

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It determines the temperature of the weld

It is primarily a cosmetic feature

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