For bonding action of clays, what is the amount of water needed?(a) 1.5%-8%(b) 3.5%-11%(c) 4.5%-12%(d) 5.5%-13%The question was asked during an internship interview.This key question is from Bonding Theory topic in chapter Molding and Core Sands of Casting-Forming-Welding I

For bonding action of clays, what is the amount of water needed?(a) 1.

1.	For bonding action of clays, what is the amount of water needed?(a) 1.5%-8%(b) 3.5%-11%(c) 4.5%-12%(d) 5.5%-13%The question was asked during an internship interview.This key question is from Bonding Theory topic in chapter Molding and Core Sands of Casting-Forming-Welding I
Answer» CORRECT option is (a) 1.5%-8% EASIEST explanation: For the bonding ACTION of the clays, water is needed, which ACTIVATES the sand and clay-sand mixture. The amount needed for this is 1.5% to 8%.

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