In sand casting, a core is often used to produce a cavity in the final casting.

Name: In sand casting, a core is often used to produce a cavity in the final casting.
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Question

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A core is often made of sand or other materials and placed in the mold cavity to create a void or shape that cannot be achieved by the mold itself, such as a hole or undercut. The molten metal is poured into the mold cavity surrounding the core, and once the metal solidifies, the core is removed leaving the desired shape in the casting.

In Sand Casting, a Core Is Often Used to Produce