AG Mechanics CDE Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

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!

Start Multiple Choice Practice Test
Start Flash Cards

Practice this question and more.

Which welding component is responsible for creating a protective barrier against contaminants?

  1. Arc

  2. Bead

  3. Electrode

  4. Flux

The correct answer is: Flux

The flux is responsible for creating a protective barrier against contaminants. Flux is a material added to the welding process to protect the molten metal from atmospheric gases, such as oxygen and nitrogen, which can cause impurities and weaken the weld. The other options, such as the arc, bead, and electrode, are all important components in welding, but they do not specifically function to create a protective barrier against contaminants. The arc is the heat source that melts the base metal, the bead is the visible result of the welding process, and the electrode is the filler metal that is added to create the weld. However, none of these directly play a role in protecting against contaminants.

More Questions Like This