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Chapter 1 MOLDING AND MOLDING TECHNIQUES MCQs

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1. . The degree or intensity of ramming _________





2. . Permeability of green sand ________





3. . Natural molding sand have which of the following quality(/ies) ________





4. . R.P.M stands for which of the following molding process?





5. . The dried plaster mold have __________





6. . Pit molding is used for _________





7. . Which of the following is a principle binder used in carbon dioxide molding?





8. . Which of the following compound forms the bond between sand particles in carbon dioxide molding process?





9. . Which of the following is the principal material used for Nobake molding process?





10. . In Nobake molding process, the chemical process of hardening of binder starts when ___________





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