Two castings of the same metal have the same surface area. One casting – McqOptions

MCQOPTIONS

1.	Two castings of the same metal have the same surface area. One casting is in the form of a sphere and the other is a cube. What is the ratio of the solidification time for the sphere to that of the cube?
A.	3/4
B.	6/π
C.	5/4π
D.	3π/8
Answer» C. 5/4π

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