Refractory Technology Carbon refractories are exclusively used in the Regenerators of coke oven Hearth of blast furnace Side wall of soaking pits Walls of coke oven Regenerators of coke oven Hearth of blast furnace Side wall of soaking pits Walls of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Carborundum Zircon Beryllia Thoria Carborundum Zircon Beryllia Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chemically, mullite refractories is ZrSO₄ 3Al2O₃.2SiO₂ Al2O₃ ThO₂ ZrSO₄ 3Al2O₃.2SiO₂ Al2O₃ ThO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Low porosity Both A & B Neither A nor B High thermal conductivity Low porosity Both A & B Neither A nor B High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 60 to 75 5 to 10 45 to 60 20 to 30 60 to 75 5 to 10 45 to 60 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Thermal conductivity Spalling resistance Slag penetration resistance Fusion point Thermal conductivity Spalling resistance Slag penetration resistance Fusion point ANSWER DOWNLOAD EXAMIANS APP
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