engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Production Engineering (Manufacturing) Metal Casting Design of Gating System
A mould having dimensions 100 mm × 90 mm × 20 mm is filled with molten metal through a gate with 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
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