RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    Which gas is used for the cutting and welding of metal?

    A)  Acetylene        

    B)  Methane

    C)  Carbon dioxide   

    D)  Neon

    Correct Answer: A

    Solution :

     Acetylene gas produces oxyacetylene flame with oxygen. Temperature of this flame is very high hence it is used in the cutting and welding of metal.


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