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

  • question_answer Which of the following are the characteristics of extrusion process
    1. Faster speed of production           
    2. Good surface finish                 
    3. Dimensions can be maintained with close tolerances
    4. Mechanical properties of the extruded products are inferior to that of the roiled products
    Select the correct answer using the codes given below:

    A) 1 and 2            

    B) 1, 2 and 3

    C) 3 and 4            

    D) 1 and 4.  

    Correct Answer: D


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