Railways Technical Ability Fabrication Process Question Bank Fabrication Process

  • question_answer In oxy-acetylene gas welding, for complete combustion, the volume of oxygen required per unit of acetylene is:

    A) 1                                 

    B) 1.5

    C) 2                                 

    D) 2.5

    Correct Answer: C

    Solution :

    \[{{C}_{2}}{{H}_{2}}+{{O}_{2}}=2CO+{{H}_{2}}\] 1 : 1

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