Question
Download Solution PDFCoated electrodes are used in______
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Shielded metal arc welding:
- A consumable electrode is provided for the welding
- The coating on the electrode basically gets vapourised and creates a shielded environment for welding.
Submerged arc welding:
- A consumable electrode is used
- Instead of electrode coating, external flux is provided to avoid the oxidation of welding material
- Only used for the horizontal positions
Tungsten inert gas welding:
- A non-consumable tungsten electrode is used
- Inert gas argon or helium is used
- A separate filler material is used for welding
- It is also called gas tungsten arc welding
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