American India Foundation Trainer Interview Questions and Answers

TIG welding uses a tungsten electrode to create a precise and clean weld, while MIG welding uses a consumable wire electrode and shielding gas.

• TIG welding is slower but produces higher quality welds

• MIG welding is faster but may produce spatter and require more cleanup

• TIG welding is better for thin materials and precise work

• MIG welding is better for thicker materials and larger projects

• TIG welding requires more skill an

Minimum electrode size and specifications for Root welding.

• Minimum electrode size for Root welding is 1/8 inch.

• Electrode specifications depend on the base metal being welded.

• For carbon steel, E6010 or E6011 electrodes are commonly used.

• For stainless steel, E308L or E309L electrodes are commonly used.

• Electrode specifications should be determined by the welding procedure specification (WPS).