Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 500 1000 100 10 500 1000 100 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by Lime slag None of these Molten steel Iron oxide Lime slag None of these Molten steel Iron oxide ANSWER DOWNLOAD EXAMIANS APP
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 Cost Electrical conductivity Thermal conductivity Fusion point Cost Electrical conductivity Thermal conductivity Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Silica Chromite Superduty fireclay None of these Silica Chromite Superduty fireclay None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are generally not used in the Burning zone of cement kilns Open hearth furnace Steel melting furnace Electric furnace walls Burning zone of cement kilns Open hearth furnace Steel melting furnace Electric furnace walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Low refractoriness Less resistance to slag attack Less load bearing capacity High resistance to thermal shock and creep Low refractoriness Less resistance to slag attack Less load bearing capacity High resistance to thermal shock and creep ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS