Welder Red Seal · Question
Which welding process uses a non-consumable tungsten electrode?
GTAW, also known as TIG welding, uses a tungsten electrode that melts very slowly (non-consumable) and requires a separate filler rod if filler metal is added.
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Question: Which welding process uses a non-consumable tungsten electrode?
Answer options: ✅ Gas Tungsten Arc Welding (GTAW)
- Shielded Metal Arc Welding (SMAW)
- Gas Metal Arc Welding (GMAW)
- Flux-Cored Arc Welding (FCAW)
Correct answer: Gas Tungsten Arc Welding (GTAW)
Explanation: GTAW, also known as TIG welding, uses a tungsten electrode that melts very slowly (non-consumable) and requires a separate filler rod if filler metal is added.
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Question explanations
- A welder is fabricating a pressure vessel component using FCAW-G with an E70T-1 wire. The procedure specifies
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