WELDING 4 TIG AND CO2 WELDING - Practice Mode

Over lap Blow hole Incomplete penetration Excess wide bead

Correct Answer: Blow hole

in adequate gas flow welding current too low too small dia of nozzle welding speed too low

Correct Answer: welding speed too low

Spatter Undercut Incomplete fusion Crack on base metal

Correct Answer: Crack on base metal

Dirty weld joint Too long cable Improper welding angle Correct the root dimension

Correct Answer: Correct the root dimension

Connect the gas regulator Increase the length of gas pipe Inert gas backing Reduce flow rate of gas

Correct Answer: Inert gas backing