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____________ is responsible for the prevention of erosion and washing away from the sand.

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in Foundry and Forging by (110k points)
____________ is responsible for the prevention of erosion and washing away from the sand.

(a) Risers

(b) Gates

(c) Vents

(d) Sprue Hole

The question was posed to me during an interview.

I need to ask this question from Principles of Gating and Risering topic in portion Concept of Gating and Risering of Foundry and Forging

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Correct answer is (b) Gates

Explanation: Sudden change in direction causes mold erosion due to mold erosion, turbulence and gas pick-up. So Gates are provided to prevent this erosion and washing away of the sand as molten metal flows into the mould.

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