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GATE Mechanical Engineering (ME) 2015 Shift 1 Solved Paper

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Question : 49

Total: 65

In a slab rolling operation, the maximum thickness reduction (Δh_max) is given by Δh_max = μ²R, where R is the radius of the roll and μ is the coefficient of friction between the roll and the sheet. If μ = 0.1, the maximum angle subtended by the deformation zone at the centre of the roll (bite angle in degree) is ______.

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