Cert III Welding Practice Questions - Certificate III In Engineering - Fabrication Trade Welding (MEM30319) Exam

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In MMAW, 'DCEP' (direct current electrode positive, or reverse polarity) generally produces what effect compared with DCEN?

Deeper penetration and more heat in the electrode Less penetration and a cooler arc No arc at all Penetration only on aluminium

Correct Answer:

Deeper penetration and more heat in the electrode

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