Refractory Technology Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except Fusion point Electrical conductivity Cost Thermal conductivity Fusion point Electrical conductivity Cost Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Burning zone of limestone rotary kilns Coke oven regenerator Bottom hearth of reheating furnace Hearth of soaking pits Burning zone of limestone rotary kilns Coke oven regenerator Bottom hearth of reheating furnace Hearth of soaking pits ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spray test determines the __________ of refractories. Resistance to CO attack Resistance to slag penetration RUL Permanent linear change Resistance to CO attack Resistance to slag penetration RUL Permanent linear change ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Magnesite chrome Graphite Silica Magnesia Magnesite chrome Graphite Silica Magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains maximum percentage of Al2O₃ ? Magnesite Aluminous firebrick Sillimanite Firebrick Magnesite Aluminous firebrick Sillimanite Firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Bauxite Mullite Corrundum Dolomite Bauxite Mullite Corrundum Dolomite ANSWER DOWNLOAD EXAMIANS APP
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