PAPER -1 WELDER (THEORY) SEMESTER – II july (SESSION 2017 -2018) – NSQF LEVEL -4
1 Which part of the wire feed mechanism turns the drive roller smoothly and constantlyfor GMAW? a) Centre guide b) … Read more
iti welder previous papers
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 … Read more