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

  • question_answer Powder metallurgy process involves which of the following?
    1. Converting metals such as iron etc. into powder form.
    2. Blending powders of. Metals, then compacting and compressing to desired shape at room temperature.
    3. Heating the compressed articles to a temperature above melting point of metal.
    Select the correct answer using the code given below:

    A) 1, 2 and 3                     

    B) 1 and 2 only

    C) 2 and 3 only                 

    D) 1 and 3 only

    Correct Answer: A

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