Which one of the following gating systems is best suited to obtain directional solidification?

Which one of the following gating systems is best suited to obtain dir

1.	Which one of the following gating systems is best suited to obtain directional solidification?
A.	Top grating
B.	part-time grating
C.	Bottom grating
D.	stepped grating
Answer» C. Bottom grating

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Which one of the following gating systems is best suited to obtain directional solidification?

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