Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Specific gravity Volume Neither A nor B Both A & B Specific gravity Volume Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 90 30 70 50 90 30 70 50 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Has poor electrical conductivity at high temperature Can not be used as an insulator Is produced from baddeleyite Does not react with basic slags Has poor electrical conductivity at high temperature Can not be used as an insulator Is produced from baddeleyite Does not react with basic slags ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the All of these Glass melting furnaces Electric arc furnace roof Dome of blast furnace stoves All of these Glass melting furnaces Electric arc furnace roof Dome of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Specific gravity Thermal conductivity Porosity Strength Specific gravity Thermal conductivity Porosity Strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Silicon carbide Fireclay High alumina Thoria Silicon carbide Fireclay High alumina Thoria ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS