Shrinkage allowance on pattern is provided to compensate for shrinkage

1.	Shrinkage allowance on pattern is provided to compensate for shrinkage when the
A.	metal changes from liquid state to solid state at freezing temperature.
B.	solid phase temperature drops from freezing temperature to the room temperature.
C.	liquid metal temperature drops from pouring temperature to room temperature.
D.	liquid metal temperature drops from pouring temperature to freezing temperature.
Answer» C. liquid metal temperature drops from pouring temperature to room temperature.

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Shrinkage allowance on pattern is provided to compensate for shrinkage when the

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