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Railways NTPC (Technical Ability) Metal Forming, Casting and Cutting Question Bank Metal Casting

  • question_answer
    Which of the following methods are used for obtaining directional solidification for riser design?
    1. Suitable placement of chills.
    2. Suitable placement of chaplets.
    3. Employing padding.
    Select the correct answer:

    A) 1 and 2            

    B) 1 and 3

    C) 2 and 3            

    D) 1, 2 and 3

    Correct Answer: B

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