In Co2 moulding technique, the amount of water is zero percent in the sand mixture used for mould.(a) True(b) FalseThe question was asked during an interview.This intriguing question originated from Casting Techniques topic in chapter Casting Process of Casting-Forming-Welding II

In Co2 moulding technique, the amount of water is zero percent in the

1.	In Co2 moulding technique, the amount of water is zero percent in the sand mixture used for mould.(a) True(b) FalseThe question was asked during an interview.This intriguing question originated from Casting Techniques topic in chapter Casting Process of Casting-Forming-Welding II
Answer» Correct choice is (a) True Explanation: In CO2 moulding technique, WATER is not mixed with the SAND mixture while preparing the mould. Sodium silicate is GENERALLY added in the place of water to act as a binder. So the moisture is completely eliminated from the mould. Due to moisture-less mould, the process can provide high accuracy in the production of CASTING parts.

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In Co2 moulding technique, the amount of water is zero percent in the sand mixture used for mould.(a) True(b) FalseThe question was asked during an interview.This intriguing question originated from Casting Techniques topic in chapter Casting Process of Casting-Forming-Welding II

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