Refractory Technology Segar cones are used for the determination of __________ of refractories. Spalling resistance Resistance to slag attack Electrical conductivity Softening temperature Spalling resistance Resistance to slag attack Electrical conductivity Softening temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Specific gravity Both A & B Neither A nor B Volume Specific gravity Both A & B Neither A nor B Volume ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chemically, mullite refractories is ThO₂ 3Al2O₃.2SiO₂ ZrSO₄ Al2O₃ ThO₂ 3Al2O₃.2SiO₂ ZrSO₄ Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Neutral refractory Acidic refractory Basic refractory Fired at a temperature of 600°C only Neutral refractory Acidic refractory Basic refractory Fired at a temperature of 600°C only ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 2200 1800 2700 2400 2200 1800 2700 2400 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? None of these Quartz Tridymite Cristobalite None of these Quartz Tridymite Cristobalite ANSWER DOWNLOAD EXAMIANS APP
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