Refractory Technology Which is not an acidic refractory? Silica High alumina refractory Carbon black Fireclay Silica High alumina refractory Carbon black Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following impurities reduces the refractoriness of magnesite bricks? CaO Al2O₃ All of these SiO₂ CaO Al2O₃ All of these SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Silicon carbide Thoria Fireclay High alumina Silicon carbide Thoria Fireclay High alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Hearth of blast furnace Side wall of soaking pits Walls of coke oven Regenerators of coke oven Hearth of blast furnace Side wall of soaking pits Walls of coke oven Regenerators of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Graphite Fireclay Zircon Alumina Graphite Fireclay Zircon Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Firing temperature Shape Texture Composition Firing temperature Shape Texture Composition ANSWER DOWNLOAD EXAMIANS APP