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Q. |
Molding sand can withstand chemical reactions on it and prove it to be beneficial for the casting formation. |
A. | true |
B. | false |
Answer» B. false | |
Explanation: molding sand is added with chemicals to enhance properties such as permeability, compressive strength etc., however, the chemical reactions happening is not viable for the formation of the casting as it might cause explosion or severe fatal effects in the casting. |
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