Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 2000 700 1000 1600 2000 700 1000 1600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 50 30 90 70 50 30 90 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The largest consumer of refractories is the __________ industry. Power Fertiliser Cement Metallurgical Power Fertiliser Cement Metallurgical ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? Quartz Cristobalite None of these Tridymite Quartz Cristobalite None of these Tridymite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. High density Non-wetting characteristics High thermal conductivity Low porosity High density Non-wetting characteristics High thermal conductivity Low porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Zinc smelting furnace Ceramic recuperators All of these Muffle furnace Zinc smelting furnace Ceramic recuperators All of these Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
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