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Which of the following is not a casting performance of phenolic – urethane cores?(a) Moderate hot strength(b) Good hardenability(c) Surface finish(d) Low nitrogen levelThis question was posed to me during an online exam.My enquiry is from Comparative Properties of Gas-Vapour Cured Resin Binders topic in portion Binder Technology of Casting-Forming-Welding II |
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Answer» Correct option is (b) Good hardenability |
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