In solidification of metal during casting, compensation for solid cont

1.	In solidification of metal during casting, compensation for solid contraction is:
A.	Provided by the oversize pattern
B.	Achieved by properly placed risers
C.	Obtained by promoting direction solidification
D.	Made by providing chills
Answer» C. Obtained by promoting direction solidification

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In solidification of metal during casting, compensation for solid contraction is:

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