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As the materials pass through the kiln their temperature is rised upto ____(a) 1300-1600 °C(b) 1100-1500 °C(c) 1300-1500 °C(d) 1100-1600 °CThis question was posed to me in an online quiz.This question is from Manufacture of Portland Cement in chapter Cement of Concrete Technology

Answer»

The correct OPTION is (a) 1300-1600 °C

For explanation: 1300-1600 °C is the best range to melt the RAW materials for a healty PC. Below 1300 °C the materials whcih we ADDED to MAKE PC won’t melt perfectly and the result will be unhealty PC.



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