• WELDER (THEORY) SEMESTER – II AITT JULY 2017 PAPER

  March 3, 2024

  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)…

• WELDER (THEORY) SEMESTER – II AITT JAN 2018 PAPER

  March 3, 2024

  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…

• WELDER (THEORY) SEMESTER – I AITT JULY 2017 PAPER

  March 3, 2024

  1. The term used to indicate amount of current flowing in a circuit is called …….. (a) Volt (c) Ohm (b) Ampere (d) Farad   2. Earth clamp is used in arc welding to . (a) Hold the electrode firmly during welding (b) Connect the earthing cable to electrode (c) Connect the earthing cable to…

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