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

  • question_answer Which of the following are the requirements of an ideal gating system?
    1. The molten metal should enter the mould cavity with as high a velocity as possible.
    2. It should facilitate, complete fillings of the mould cavity.
    3. It should be able to prevent the absorption of air or gases from the surroundings on the molten metal while flowing through it.
    Select the correct answer using the codes given below:

    A) 1, 2 and 3                     

    B) 1 and 2

    C) 2 and 3            

    D) 1 and 3

    Correct Answer: C


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