J & K CET Engineering J and K - CET Engineering Solved Paper-2003

  • question_answer
    Which form of iron is least ductile?         

    A)  Hard steel    

    B)  Cast iron         

    C)  Mild steel     

    D)  Wrought steel     

    Correct Answer: B

    Solution :

     Cast iron or pig iron contains 2 to 4.5% of carbon. It is least ductile and least pure form of iron. It is brittle and cannot be welded.


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