AG Mechanics CDE Practice Exam

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Prepare effectively for the AG Mechanics CDE exam with our engaging quiz. Featuring multiple-choice questions and detailed explanations, you can increase your knowledge of agricultural mechanics and develop the skills necessary for success in the competition.

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The layer formed on top of the weld caused by the flux and impurities of the base metal floating to the top is called:

bead
puddle
slag
tack weld

The correct answer is: slag

The layer formed on top of the weld caused by the flux and impurities of the base metal floating to the top is called "slag." Slag is a byproduct of the welding process and needs to be removed after the weld has cooled. The other options: A. bead - refers to the distinctive shape left by the welding process. B. puddle - is a term used to describe the molten metal pool during welding. D. tack weld - is a temporary weld used to hold pieces in place before the final welding.