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

  • question_answer
    Consider the following welding processes
    1. Arc welding               
    2. MIG welding
    3. Laser beam welding    
    4. Submerged arc welding
    Select the correct sequence in increasing order of Heat Affected Zone (HAZ) using the code given below:

    A) \[1-2-3-4\]                     

    B) \[1-4-2-3\]

    C) \[3-2-4-1\]                     

    D) \[4-3-2-1\]

    Correct Answer: D


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