GATE MT 2013 Q36. A 480 mm thick slab is hot-rolled using a roll of 720 mm diameter. For a coefficient of friction of 0.5, the maximum possible reduction (in mm) is
GATE MT 2013 Q36. A 480 mm thick slab is hot-rolled using a roll of 720 mm diameter. For a coefficient of friction of 0.5, the maximum possible reduction (in mm) is
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Correct answer is option A. ΔHmax= μ2R = 0.52×360mm = 90mm.
Correct answer is option A.
ΔHmax= μ2R = 0.52×360mm = 90mm.
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90 mm
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