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In the green 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» The correct choice is (a) 0.5% The best explanation: In green sand mouldings of steel castings, the dextrine percentage composition is calculated to be 0.5% and the bentonite percentage in the same green sand is higher than dextrin by around 3%. |
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