Refractory Technology Fireclay bricks is not used for lining the Bottom of hot metal mixer Gas producer Cupola Roof of open hearth furnace Bottom of hot metal mixer Gas producer Cupola Roof of open hearth furnace 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 Thermal conductivity Fusion point Electrical conductivity Cost Thermal conductivity Fusion point Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High strength and density High refractoriness All of these High resistance to spalling High strength and density High refractoriness All of these High resistance to spalling ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which form of silica has the highest specific gravity? Tridymite All of these Quartz Cristobalite Tridymite All of these Quartz Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Superduty fireclay Silica None of these Chromite Superduty fireclay Silica None of these Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Light buff to reddish buff Yellow None of these Black Light buff to reddish buff Yellow None of these Black ANSWER DOWNLOAD EXAMIANS APP