Under certain cutting conditions, doubling the cutting speed reduces the tool life to (\frac{1}{16}) ^{th} of the original. Taylor‟s tool life index( n ) for this tool-workpiece combination will be _______

GATE Mechanical Engineering (ME) 2015 Shift 1 Solved Paper

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Under certain cutting conditions, doubling the cutting speed reduces the tool life to

(\;{1}/{16}) ^{th}

of the original. Taylor‟s tool life index(n) for this tool-workpiece combination will be _______

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