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Discussion :: GATE Production

  1. A mould having dimensions 100 mm × 90 mm × 20 mm is filled with molten metal through a gate as shown in the figure. For height h and cross-sectional area A, the mould filling time is t1. The height is now quadrupled and the cross-sectional area is halved. The corresponding filling time is t2. The ratio t2/t1 is

    2. A.
    √2
    B.
    1
    C.
    √2
    D.
    2

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    -NA-

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