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Railways NTPC (Technical Ability) Fabrication Process Question Bank Fabrication Process

  • question_answer
           Which one of the following statements is correct?

    A) No flux is used in gas welding of mild steel 

    B) Borax is the commonly used flux coating welding electrodes                     

    C) Laser beam welding employs a vacuum chamber and thus avoids use of a shielding method 

    D) AC can be used for GTAW process

    Correct Answer: A

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