what is iti welder

WELDER (THEORY) SEMESTER – II AITT JAN 2018 PAPER

1. Unlike TIG welding, MIG welding – (a) Requires no flux (b) Requires no post-weld cleansing (c) Uses consumable electrodes (d) Provides complete protection from atmospheric contamination 2. In Gas Metal Arc welding, the electrode extended from the end of the contact tip to the arc is known as – (a) Electrode length (c) Electrode

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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) 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 c) Current conductor d) Arc

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