Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Volume Neither A nor B Both A & B Specific gravity Volume Neither A nor B Both A & B Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly SiO₂ Al2O₃ CaO MgO SiO₂ Al2O₃ CaO MgO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 50 and 50 80 and 20 60 and 40 20 and 80 50 and 50 80 and 20 60 and 40 20 and 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Slip casting Extrusion Pressing/machine moulding Hand moulding Slip casting Extrusion Pressing/machine moulding Hand moulding ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent. 70 80 55 90 70 80 55 90 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High refractorinness of refractory bricks means, that it has a Low porosity Low spalling resistance High spalling resistance High resistance to fusion Low porosity Low spalling resistance High spalling resistance High resistance to fusion ANSWER DOWNLOAD EXAMIANS APP