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In Solid casting method, the resin mixture is kept for how much time for hardening and curing?(a) 1-2 hours(b) 2-3 hours(c) 3-4 hours(d) 4-5 hours |
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Answer» Correct choice is (b) 2-3 hours Easiest explanation: A mould of Plaster of Paris is made, into which the resin mixture is poured, in solid casting. This mixture takes up 2-3 hours to harden and get cured. |
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