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What does a mould having adequate green strength, does not have?(a) Ability to retain its shape(b) Ability not to get distorted(c) Ability not to collapse(d) Ability to retain hardnessI had been asked this question in my homework.The question is from Properties of Molding Sands topic in portion Molding and Core Sands of Casting-Forming-Welding I |
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Answer» RIGHT choice is (d) ABILITY to retain hardness The best explanation: For a mould to be having an adequate amount of green strength, it must have RETAINING ability or the ability to GET distorted or to COLLAPSE. A mould having adequate green strength does not have the ability to retain hardness. |
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