AG Mechanics CDE Practice Exam 2025 - Free AG Mechanics Practice Questions and Study Guide

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For which welding process is a continuously fed consumable wire used?

FCAW

In the FCAW (Flux-Cored Arc Welding) process, a continuously fed consumable wire is used. This wire contains a flux core, which protects the molten weld pool from atmospheric contamination.

Option B (GTAW - Gas Tungsten Arc Welding) and Option D (TIG - Tungsten Inert Gas Welding) both involve the use of a non-consumable tungsten electrode, where the filler material is manually added to the weld joint.

Option C (MIG - Metal Inert Gas Welding) is very similar to FCAW, but in MIG welding, a solid wire electrode is typically used along with a separate shielding gas.

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GTAW

MIG

TIG

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