Refractory Technology High alumina refractories are used in the Electric arc furnace roof Glass melting furnaces Dome of blast furnace stoves All of these Electric arc furnace roof Glass melting furnaces Dome of blast furnace stoves All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which brick undergoes maximum shrinkage on drying? Chromite bricks Tar bonded dolomite bricks Fireclay bricks Magnesite bricks Chromite bricks Tar bonded dolomite bricks Fireclay bricks Magnesite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Segar cones are used for the determination of __________ of refractories. Softening temperature Resistance to slag attack Electrical conductivity Spalling resistance Softening temperature Resistance to slag attack Electrical conductivity Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 45 to 60 5 to 10 60 to 75 20 to 30 45 to 60 5 to 10 60 to 75 20 to 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1915 1710 1520 1380 1915 1710 1520 1380 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Thermal conductivity Slag penetration resistance Fusion point Spalling resistance Thermal conductivity Slag penetration resistance Fusion point Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
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