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What is the range of temperature used for baking molds using plaster moulding process?(a) 50°-100°(b) 80°-120°(c) 120°-260°(d) 250°-300° |
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Answer» The correct choice is (c) 120°-260° For explanation I would say: The preset mould is ignited to burn off the volatile content in the set gel to a temperature range of 120°-260°. |
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