CSWIP Welding Supervisor Practice Questions - CSWIP Welding Supervisor Certification (TWI, UK) Exam

What is the primary objective of storing basic MMA (SMAW) electrodes in a holding oven at 100°C to 150°C after baking?

To prevent moisture re-absorption and hydrogen-induced cracking To increase the melting rate of the core wire during welding To anneal the flux coating and increase flexibility To burn off volatile organic oils from the steel core wire

Correct Answer:

To prevent moisture re-absorption and hydrogen-induced cracking

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