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The process of dipping and stuccoing is performed continuously to achieve the desired thickness of the mould in the investment casting.

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The process of dipping and stuccoing is performed continuously to achieve the desired thickness of the mould in the investment casting.

(a) True

(b) False

The question was asked in class test.

My question is from Precision Investment Casting in chapter Special Casting Techniques of Casting-Forming-Welding I

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The correct option is (a) True

To elaborate: In the process of stuccoing, dry refractory grains such as zircon or silica are stuccoed on the liquid ceramic coating. A small shell is formed around the pattern, which is to be cured and then the process of dipping and stuccoing is continued with ceramic slurries to achieve a well desired thickness of the mould.

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