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Which of the following is not a core sand property?(a) Dry strength(b) Hardness(c) Low collapsibility(d) Good Permeability |
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Answer» Right answer is (c) Low collapsibility The best explanation: Dry strength, hardness and a good amount of permeability are a few properties of core sand. Low collapsibility is not any of the property of core sands, in fact, core sands are supposed to have high collapsibility. |
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