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%This question was addressed to me in a job interview.Asked question is from Molding Sand Mixtures for Casting in portion Molding and Core Sands of Casting-Forming-Welding I

In the green sand moulding of steel casting, what is the dextrine perc

1.	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%This question was addressed to me in a job interview.Asked question is from Molding Sand Mixtures for Casting in portion Molding and Core Sands of Casting-Forming-Welding I
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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