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General Welding Practice Test

Take our welding general knowledge practice test to find out how much you know about welding! Welders can be found working in a wide variety of environments from automotive to manufacturing. The welding profession and all of its niches are fast-paced and rewarding careers.

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Question 1 of 20

What is the major function of the coating on an arc welding electrode?

Adds moisture and accelerates the cooling rate

Acts as a scavenger, removes oxides and impurities

Liquifies the base metal

Influences incomplete penetration

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General Welding Practice Test