Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Ball Pug Tube Rod Ball Pug Tube Rod 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 Electrical conductivity Cost Thermal conductivity Fusion point Electrical conductivity Cost Thermal conductivity Fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Carborundum Graphite Chromite Fireclay Carborundum Graphite Chromite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractory blocks All of these Are wetted by molten iron Are acidic in nature Are used in the hearth of blast furnace All of these Are wetted by molten iron Are acidic in nature Are used in the hearth of blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Corrundum Fireclay Silicon carbide Siliceous fireclay Corrundum Fireclay Silicon carbide Siliceous fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Alumina Fireclay Graphite Zircon Alumina Fireclay Graphite Zircon ANSWER DOWNLOAD EXAMIANS APP