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SURFACE CLEANING MCQs – CHAPTER 18 DAE

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1. . In casting shop portable grinder is used for operation





2. . Tumbling barrel is used for cleaning of ------ casting





3. . Burnt sand is removed from casting surface with





4. . In shot blasting for cleaning the casting surface -------- is used.





5. . The process in which sand is mixed with water and pushed by water pressure





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