SOLAS Metal Fabrication Practice Questions - SOLAS Metal Fabrication Apprenticeship (QQI Advanced Certificate Craft, NFQ Level 6) Exam

Porosity in a weld is caused by which of the following?

Excessive travel speed only Gas trapped in the solidifying weld metal Using too small an electrode Welding with the wrong polarity only

Correct Answer:

Gas trapped in the solidifying weld metal

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