Higher AC frequency (such as 120 Hz) in TIG welding aluminum is sometimes used to achieve what effect?

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Enhance your TIG welding skills with the Nebraska GTAW FFA TIG Welding Exam. This exam features multiple choice questions and realistic scenarios to prepare you for success in TIG welding.

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Higher AC frequency (such as 120 Hz) in TIG welding aluminum is sometimes used to achieve what effect?

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