Railways Technical Ability Metal Forming, Casting and Cutting Question Bank Metal Cutting

  • question_answer The compositions of some of the alloy steels are as under:
    1. 18 W 4 Ct 1 V           
    2. 12 Mo I W 4 Cr IV
    3. 6 Mo 6 W 4 Cr 1 V    
    4. 18 W 8 Cr IV
    The compositions of commonly used high speed steels would in clude:

    A) 1 and 2            

    B) 2 and 3

    C) 1 and 4            

    D) 1 and 3

    Correct Answer: C


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