What is the amount of clay needed in green sand?(a) 5% – 10%(b) 5% – 15%(c) 15% – 30%(d) 25% – 40%This question was addressed to me by my college director while I was bunking the class.This intriguing question comes from Properties of Molding Sands in chapter Molding and Core Sands of Casting-Forming-Welding I

What is the amount of clay needed in green sand?(a) 5% – 10%(b) 5% �

1.	What is the amount of clay needed in green sand?(a) 5% – 10%(b) 5% – 15%(c) 15% – 30%(d) 25% – 40%This question was addressed to me by my college director while I was bunking the class.This intriguing question comes from Properties of Molding Sands in chapter Molding and Core Sands of Casting-Forming-Welding I
Answer» The correct answer is (c) 15% – 30% The best I can explain: In green sand, the amount of CLAY needed in terms of percentage composition is approximately in between 15% to 30% and the amount of water needed in terms of percentage composition is somewhere around 5%.

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