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Which of the following statements about porcelain is not true?(a) Low voltage porcelain is obtained by wet process(b) Porcelain is hard and brittle(c) Porcelain is non-porous(d) Porcelain is prepared from felspar, clay, quartz and mineralsThe question was asked in an international level competition.I would like to ask this question from Clay Products in chapter Glass, Lime, Clay Products & Bricks of Construction & Building Materials |
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Answer» RIGHT answer is (a) LOW VOLTAGE porcelain is obtained by wet process The best I can explain: Porcelain is prepared from felspar, clay, QUARTZ and minerals and is non-porous, hard and BRITTLE. Low voltage porcelain is obtained by the dry process while high voltage porcelain is obtained by the wet process. |
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