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

Which statement about submerged arc welding (SAW) per API RP 577 is correct?

The arc is visible so the welder can observe the puddle directly Flux shields the arc and molten pool from the atmosphere SAW is primarily an out-of-position process for vertical welds SAW cannot be used for carbon steel pressure vessels

Correct Answer:

Flux shields the arc and molten pool from the atmosphere

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