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_________________ is termed as a replica of the object to be made by the casting process.

(a) Pattern

(b) Core

(c) Riser

(d) Spruee

This question was addressed to me during an internship interview.

Query is from Patterns and its Functions in section Casting Processes of Foundry and Forging

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The correct option is (a) Pattern

To explain I would say: A Patten is a casting double which has allowances, provision of the core prints which is used to make a casting. It is a replica into which molten metal will be poured during the casting processes and later the metal is hardened and a component is obtained.

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