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

  • question_answer Match List-I (Type of moulding) with List-II (Mechanism involved) and select the correct answer using the codes given below the lists:
    List-I (Type of moulding) List-II (Type of moulding)
    A. Compression moulding 1. Mould cavity-must be heated to cure the plastic forced into it
    B. Injected  2. Similar to Hydraulic extrusion
    C. Jet moulding        3. analogous to hot-pressing of powdered metals
    D. Extrusion moulding 4. analogous to die casting of metals
    Codes:

    A) A\[\to \]2, B\[\to \]4, C\[\to \]3, D\[\to \]1

    B) A\[\to \]3, B\[\to \]1, C\[\to \]4, D\[\to \]2

    C) A\[\to \]2, B\[\to \]1, C\[\to \]3, D\[\to \]4

    D) A\[\to \]3, B\[\to \]4, C\[\to \]2, D\[\to \]1

    Correct Answer: B


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