heat. Two cubes of same material and size are The solidification time of a casting is proportional 2 where Vis the volume of the casting to and A is the total casting surface area losing beat. Two cubes of same material and size are cast using sand casting process. The top face

heat. Two cubes of same material and size are The solidification time of a casting is proportional 2 where Vis the volume of the casting to and A is the total casting surface area losing beat. Two cubes of same material and size are cast using sand casting process. The top face

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Metal Casting

Metal casting is described as a manufacturing process in which a mold cavity is produced by sand, and molten metal is filled inside a mold cavity. The desirable shaped object is achieved after the solidification of molten metal. Large metal objects like machine beds, motor bodies, and others can easily be manufactured using metal casting. The place or shop where metal casting is performed is called foundry.

Question

cast using sand casting process. The top face
heat. Two cubes of same material and size are
The solidification time of a casting is proportional
where Vis the volume of the casting
to
and A is the total casting surface area losing
beat. Two cubes of same material and size are
of one of the cubes is completely insulated. The
ratio of the solidification time for the cube with
top face insulated to that of the other cube is
36
(b)
25
25
(a)
36
(c) 1
(d)

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