Hamad Refractory Technology 09/01/2021 A. Basic B. Neutral C. High alumina D. Insulating Related Mcqs: Which of the following does not occur during firing/burning of refractories ?A. Removal of water of hydration B. Vitrification C. Decrease in crushing strength D. Development of stable mineral form... Which is the stable form of silica upto 1470°C ?A. Quartz B. Cristobalite C. Tridymite D. None of these... An indication of degree of firing in silica brick is its____________________?A. Specific gravity B. Fusion point C. RUL D. None of these... Which furnace consumes maximum refractory annually in an integrated steel plant ?A. Soaking pit B. Blast furnace C. L.D. converter D. Coke ovens... Mullite is chemically represented by_________________?A. Al2O3. 2SiO2 B. 3Al2O3. 2SiO2 C. Al2O3. SiO2 D. 2Al2O3. 3SiO2...
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