What should the total percentage of re-use of sand in reclamation be?(a) 80%(b) 85%(c) 90%(d) 95%This question was posed to me in an interview for internship.My question is from Cold-Set Resin Binders in chapter Binder Technology of Casting-Forming-Welding II

What should the total percentage of re-use of sand in reclamation be?(

1.	What should the total percentage of re-use of sand in reclamation be?(a) 80%(b) 85%(c) 90%(d) 95%This question was posed to me in an interview for internship.My question is from Cold-Set Resin Binders in chapter Binder Technology of Casting-Forming-Welding II
Answer» Correct answer is (d) 95% EASY EXPLANATION: There is some amount of threat which is FACED by the phenolic-ester COMPOUNDS. This threat causes a KIND of limitation to the reclamation. Ideally, the total percentage should be 95%.

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