Refractory Technology Bottom of basic open hearth furnace are constructed of Porous fireclay bricks Semi-silica bricks Silicon carbide bricks Dead burnt magnesite ramming mass Porous fireclay bricks Semi-silica bricks Silicon carbide bricks Dead burnt magnesite ramming mass ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. Basic Insulating Neutral High alumina Basic Insulating Neutral High alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Does not react with basic slags Is produced from baddeleyite Has poor electrical conductivity at high temperature Can not be used as an insulator Does not react with basic slags Is produced from baddeleyite Has poor electrical conductivity at high temperature Can not be used as an insulator ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have Low thermal conductivity Greater strength High insulating properties Low heat capacity Low thermal conductivity Greater strength High insulating properties Low heat capacity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? All of these High refractoriness High resistance to spalling High strength and density All of these High refractoriness High resistance to spalling High strength and density ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Silica Carborundum Fireclay Magnesite Silica Carborundum Fireclay Magnesite ANSWER DOWNLOAD EXAMIANS APP
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