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MOULDING SAND MCQs – CHAPTER 4 DAE

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1. . The chemical formula of silica sand is





2. . Silica sand contains silica percentage





3. . Molding sand contains clay





4. . Molding sand contains amount of water





5. . Molding sand contains special additives





6. . Materials added to the molding sand mixture to develop some special property in the sand





7. . Most commonly used binder in molding sand is





8. . The molding sand ingredient used to activate binder is





9. . The main constituent of molding sand is





10. . The most common form of SiO2 is





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