Question:medium

While designing the gating system, the ratio of 1 : 2 : 4 represents:

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The gating ratio order is fixed by convention: Sprue Base Area : Runner Area : Ingate Area. Remember the acronym S-R-I to avoid mixing up the sequence.

Updated On: Jul 9, 2026

Sprue base area : runner area : ingate area
Pouring basin area : ingate area : runner area
Sprue base area : ingate area : casting area
Runner area : ingate area : casting area

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The Correct Option is A

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