Refractory Technology Outer combustion chamber of blast furnace stove is lined with __________ bricks. Chrome magnesite Zirconia Fireclay Silica Chrome magnesite Zirconia Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chemically, mullite refractories is ZrSO₄ 3Al2O₃.2SiO₂ ThO₂ Al2O₃ ZrSO₄ 3Al2O₃.2SiO₂ ThO₂ Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? Neither A nor B Both A & B Low porosity High thermal conductivity Neither A nor B Both A & B Low porosity High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Fireclay Alumina Graphite Zircon Fireclay Alumina Graphite Zircon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory castables are used for Producing monolithic linings All of these Minimising the number of joints in the structure Patch work Producing monolithic linings All of these Minimising the number of joints in the structure Patch work ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 700 2000 1000 1600 700 2000 1000 1600 ANSWER DOWNLOAD EXAMIANS APP