AG Mechanics CDE Practice Exam

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Prepare for the AG Mechanics CDE Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

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A small weld to hold base metals together temporarily is called a/an:

  1. arc

  2. puddle

  3. slag

  4. tack weld

The correct answer is: tack weld

A tack weld is a temporary weld that is used to hold two pieces of metal together until a permanent weld can be made. Option A, "arc," is a type of welding process, not a specific type of weld. Option B, "puddle," refers to the pool of molten metal that forms during welding, not the actual weld itself. Option C, "slag," is the residue left behind after welding and is not used to hold metal pieces together. Therefore, the best option is D, tack weld.

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