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In dry sand moulding of steel casting, what is the dextrine percentage composition?(a) 0.5%(b) 1.5%(c) 2.5%(d) 3.5% |
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Answer» Correct option is (a) 0.5% Explanation: In dry sand mouldings of steel castings, the dextrine percentage composition is calculated to be 0.5%. In green sands, the dextrin content is also 0.5%, which is in green sand and in dry sand, the percentage of dextrine is same. |
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