Refractory Technology Fireclay bricks are not used in the By-product coke oven walls Beehive coke oven Combustion chamber of B.F. stoves Coke oven regenerators By-product coke oven walls Beehive coke oven Combustion chamber of B.F. stoves Coke oven regenerators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories Are not resistant to the action of basic slags All of these Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing Are not resistant to the action of basic slags All of these Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc Shrink during firing ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks has the most close values of RUL and PCE? Silica bricks High alumina bricks Fireclay bricks Tar dolomite bricks Silica bricks High alumina bricks Fireclay bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Zirconia Magnesia Thoria Alumina Zirconia Magnesia Thoria Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have Greater strength Low thermal conductivity Low heat capacity High insulating properties Greater strength Low thermal conductivity Low heat capacity High insulating properties ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Minimising the number of joints in the structure Producing monolithic linings All of these Patch work Minimising the number of joints in the structure Producing monolithic linings All of these Patch work ANSWER DOWNLOAD EXAMIANS APP