Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 2 3.5 1 0.5 2 3.5 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is ZrSO₄ Amorphous magnesite MgCO₃ Crystalline form of MgO ZrSO₄ Amorphous magnesite MgCO₃ Crystalline form of MgO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Porosity Specific gravity RUL Thermal conductivity Porosity Specific gravity RUL Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about 55-60 35-40 >94 80-85 55-60 35-40 >94 80-85 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 Carborundum used for making crucibles for melting non-ferrous metals is chemically Zirconium sulphate Silicon carbide Crystalline magnesia Silicon nitride Zirconium sulphate Silicon carbide Crystalline magnesia Silicon nitride ANSWER DOWNLOAD EXAMIANS APP
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