Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 2800 1350 2570 1715 2800 1350 2570 1715 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following impurities reduces the refractoriness of magnesite bricks? All of these Al2O₃ CaO SiO₂ All of these Al2O₃ CaO SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Armouring Buckstay Baffle Breast wall Armouring Buckstay Baffle Breast wall ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Chemical composition Presence of impurities like iron & alkali Physical structure All of these Chemical composition Presence of impurities like iron & alkali Physical structure All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly SiO₂ Al2O₃ MgO CaO SiO₂ Al2O₃ MgO CaO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Regenerators of coke oven Side wall of soaking pits Walls of coke oven Hearth of blast furnace Regenerators of coke oven Side wall of soaking pits Walls of coke oven Hearth of blast furnace ANSWER DOWNLOAD EXAMIANS APP
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