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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-metals

  • question_answer
    In which of the following is thermite welding done?

    A) Girders

    B) Railway tracks

    C) Cracked machine parts           

    D) All of the above

    Correct Answer: D

    Solution :

    Thermite welding is done to join the broken pieces of girders, railway tracks and cracked machine parts.


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