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  1. Which of the following welding process uses non-consumable electrodes?

    2. A.

     TIG welding
    B.

     MIG welding
    C.

     Manual arc welding
    D.

     Submerged arc welding

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    Answer : Option A

    Explanation :

    Gas tungsten arc welding (GTAW), or tungsten/inert-gas (TIG) welding, is a manual welding process that uses a non-consumable electrode made of tungsten, an inert or semi-inert gas mixture, and a separate filler material.

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