IIW IWI-B Practice Questions - IIW International Welding Inspector - Basic (IWI-B) Exam

What is the essential difference between MIG (131) and MAG (135) gas metal arc welding?

MIG uses an inert shielding gas while MAG uses an active (reactive) shielding gas MIG uses a tungsten electrode while MAG uses a consumable wire MIG is used only on aluminium and MAG only on stainless steel MIG is a manual process and MAG is fully automatic

Correct Answer:

MIG uses an inert shielding gas while MAG uses an active (reactive) shielding gas

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