Question
Download Solution PDFAluminium is casted in a cube-shaped mold having dimensions as 20 mm × 20 mm × 20 mm. Another mold of the same mold material is used to cast a sphere of aluminium having a diameter of 20 mm. The pouring temperature for both cases is the same. The ratio of the solidification times of the cube-shaped mold to the spherical mold is _______. (answer in integer)
Answer (Detailed Solution Below) 1
Detailed Solution
Download Solution PDFExplanation:
Given:
Cube shaped mould = 20 mm × 20 mm × 20 mm
Sphere-shaped mould, D = 20 mm
By Chvorinov's rule, solidification time (t) is proportional to square of ratio of volume to surface area i.e..
=
Last updated on Feb 19, 2024
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