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Asked: 2020-03-21T04:34:36+05:30 In:

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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77.78%(A) 90 ( 7 voters )
22.22%(B) 180 ( 2 voters )
0%(C) 240
0%(D) 360
Based On 9 Votes

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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 Question paper with solutionGATE MT Metal workingGATE MT Previous Year Questions With SolutionMAXIMUM POSSIBLE REDUCTION
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    2 Answers

    1. Best Answer
      official account of Askmemetallurgy

      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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    2. Platinum GATE Metallurgy Coaching

      90 mm

      90 mm

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