AG Mechanics CDE Practice Exam

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Indicators of excessive heat when welding would include:

  1. A lighter arc

  2. Constant splatter

  3. It is difficult to manage the puddle

  4. Metal discoloration

The correct answer is: A lighter arc

Excessive heat when welding can lead to a lighter arc, which is characterized by a more intense, brighter light emitted during welding. This increased brightness of the arc indicates the excessive temperature, which can negatively impact the welding process and the quality of the final weld. Therefore, a lighter arc is an indicator of excessive heat when welding. Constant splatter, difficulty managing the puddle, and metal discoloration are not necessarily indicators of excessive heat when welding. Constant splatter can be caused by various factors such as improper settings or a dirty workpiece. Difficulty managing the puddle can be due to issues like incorrect technique or insufficient practice. Metal discoloration can result from exposure to contaminants or improper shielding gas rather than just excessive heat.

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