Engineering, 06.05.2020 02:21 andrewlawton8125
Which statement concerning a welding process is true? A- The inert-arc welding process uses an inert gas to protect the weld zone from the atmosphere. B- In the metallic-arc welding process, filler material, if needed, is provided by a separate metal rod of the proper material held in the arc. C- In the oxyacetylene welding process, the filler rod used for steel is covered with a thin coating of flux.
Answers: 2
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