API 577 Practice Questions - API 577 Welding Inspection And Metallurgy Exam

In GTAW, which electrode material is used and is generally alloyed with oxides such as thoria, ceria or lanthana to improve arc starting?

Copper Graphite Tungsten Molybdenum

Tungsten

Access more questions from this quiz

Continue to API 577 Practice Questions - API 577 Welding Inspection and Metallurgy Exam for more practice questions and the full quiz experience.