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

In manual metal arc welding (MMA/SMAW), what is the primary function of the electrode covering (flux coating)?

To increase the electrode core wire diameter To shield the arc and weld pool, form slag and stabilise the arc To act as the non-consumable electrode To replace the need for a power source

Correct Answer:

To shield the arc and weld pool, form slag and stabilise the arc

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