Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Resistance to carbon monoxide attack Spalling resistance Resistance to slag penetration Fusion point Resistance to carbon monoxide attack Spalling resistance Resistance to slag penetration Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite. Spalling resistance Resistance to slag Crushing strength Refractoriness Spalling resistance Resistance to slag Crushing strength Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the Beehive coke oven By-product coke oven walls Coke oven regenerators Combustion chamber of B.F. stoves Beehive coke oven By-product coke oven walls Coke oven regenerators Combustion chamber of B.F. stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly SiO₂ CaO Al2O₃ MgO SiO₂ CaO Al2O₃ MgO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories All of these Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature All of these Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Electric arc furnace roof All of these Glass melting furnaces Dome of blast furnace stoves Electric arc furnace roof All of these Glass melting furnaces Dome of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
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