1 Which part of the wire feed mechanism turns the drive roller smoothly and constantlyfor GMAW? a) Centre guide b) Drive motor c) Wire feeder d) Wire spool holder 2 What is the name of the part marked ‘X” in MIG/MAG torch assembly? a) Consumable electrode b) Shielding gas in …
1. Submerged arc welding is characterized by. a) High welding current . b) Smooth beads c) Deep penetration d) All of these 2. Which of the following statements is NOT true about MIG welding? a) Arc is not visible to the operator – b) High welding speed (c) No …