Question:

The solidification time of a cube and a cylinder of the same material, produced through the same sand casting process, is found to be equal. Each side of the cube is \(a\), and the radius and the length of the cylinder are \(r\) and \(4r\), respectively. If the solidification time is governed by Chvorinov's equation, then the ratio \(\frac ra\) is

Updated On: Jul 12, 2024
  • \(\frac {1}{3}\)
  • \(\frac {5}{12}\)
  • \(\frac {7}{12}\)
  • \(\frac {5}{9}\)
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The Correct Option is B

Solution and Explanation

The correct option is (B): \(\frac {5}{12}\).
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