Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Density Thermal conductivity Specific heat None of these Density Thermal conductivity Specific heat None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 0.5 2 3.5 1 0.5 2 3.5 1 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Carbides Oxides Nitrides Borides Carbides Oxides Nitrides Borides 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 Siliceous fireclay Fireclay Silicon carbide Corrundum Siliceous fireclay Fireclay Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silicon carbide refractories are used in the Muffle furnace Ceramic recuperators All of these Zinc smelting furnace Muffle furnace Ceramic recuperators All of these Zinc smelting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. Non-wetting characteristics Low porosity High density High thermal conductivity Non-wetting characteristics Low porosity High density High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS