WELDER (THEORY) SEMESTER – II AITT JULY 2017 PAPER
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 slag to be removed d) … Read more