Refractory Technology High density refractory bricks have lower Slag penetration resistance Spalling resistance Thermal conductivity Fusion point Slag penetration resistance Spalling resistance Thermal conductivity Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zircon refractories have High RUL (1600°C) and refractoriness (> 2000°C) High spalling resistance Low co-efficient of expansion All of these High RUL (1600°C) and refractoriness (> 2000°C) High spalling resistance Low co-efficient of expansion All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to Enhance the strength of fired refractories All of these Reduce its shrinkage on heating Impart greater spalling resistance Enhance the strength of fired refractories All of these Reduce its shrinkage on heating Impart greater spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Coke oven walls Lead blast furnace Zinc roaster Beehive oven Coke oven walls Lead blast furnace Zinc roaster Beehive oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractories are not used in Making sheaths for thermocouple Lining high temperature ceramic kilns Furnaces subjected to fluctuating temperature High frequency induction furnaces in the form of inductors Making sheaths for thermocouple Lining high temperature ceramic kilns Furnaces subjected to fluctuating temperature High frequency induction furnaces in the form of inductors ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories All of these Shrink during firing Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Are not resistant to the action of basic slags All of these Shrink during firing Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Are not resistant to the action of basic slags ANSWER DOWNLOAD EXAMIANS APP
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