DCEN heat distribution results in which penetration characteristics?

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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

DCEN heat distribution results in which penetration characteristics?

Explanation:
Direct current electrode negative directs most of the arc heat into the workpiece rather than into the electrode. As a result, the weld penetrates deeply while the molten pool remains relatively narrow, producing a conical end. This concentrated heat at the base metal is what gives deep, narrow penetration.

Direct current electrode negative directs most of the arc heat into the workpiece rather than into the electrode. As a result, the weld penetrates deeply while the molten pool remains relatively narrow, producing a conical end. This concentrated heat at the base metal is what gives deep, narrow penetration.

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