Refractory Technology Thermal spalling mainly occurs during __________ of furnaces. Neither A nor B Warming up Both A & B Cooling down Neither A nor B Warming up Both A & B Cooling down ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? None of these Chrome magnesite Silica Fireclay None of these Chrome magnesite Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 2400-2600 1000-1200 1600-1800 800-1000 2400-2600 1000-1200 1600-1800 800-1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silliminite (Al2O₃.SiO₂) refractory, which is a neutral refractory, is not used in Gas retorts Pottery furnace Crucibles Glass melting furnace Gas retorts Pottery furnace Crucibles Glass melting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Tar dolomite Silica Carbon Fireclay Tar dolomite Silica Carbon Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Electric furnaces Highly chemical resistant equipments Blast furnace hearth Combustion chamber of blast furnace stoves Electric furnaces Highly chemical resistant equipments Blast furnace hearth Combustion chamber of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
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