Refractory Technology Chemically, mullite refractories is ThO₂ ZrSO₄ 3Al2O₃.2SiO₂ Al2O₃ ThO₂ ZrSO₄ 3Al2O₃.2SiO₂ Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Buckstay Breast wall Armouring Baffle Buckstay Breast wall Armouring Baffle ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of a refractory means its Resistance to chemical action of gases and molten fluxes Fracture due to uneven expansion at high temperature Resistancce to compressive loads Softening Resistance to chemical action of gases and molten fluxes Fracture due to uneven expansion at high temperature Resistancce to compressive loads Softening ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal conductivity of refractory bricks Is independent of its porosity and is maximum for insulating bricks Increases with decrease in porosity Increases with the amount of air entrapped in pores Decreases with decreases in porosity Is independent of its porosity and is maximum for insulating bricks Increases with decrease in porosity Increases with the amount of air entrapped in pores Decreases with decreases in porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Magnesia Silica Graphite Magnesite chrome Magnesia Silica Graphite Magnesite chrome ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Alumina Graphite Silicon carbide Zirconia Alumina Graphite Silicon carbide Zirconia ANSWER DOWNLOAD EXAMIANS APP