Refractory Technology Refractory castables are used for Patch work All of these Producing monolithic linings Minimising the number of joints in the structure Patch work All of these Producing monolithic linings Minimising the number of joints in the structure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of Muffles for muffle furnaces Insulating bricks Segar cones Crucibles used for melting of high purity metals Muffles for muffle furnaces Insulating bricks Segar cones Crucibles used for melting of high purity metals ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is an acidic refractory? Fireclay Chrome magnesite Dolomite Magnesite Fireclay Chrome magnesite Dolomite Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology What is Thoria? Thoria Has high resistance to basic slags Which is expensive & radioactive, is used in crucibles for melting high purity metals Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock All of these Thoria Has high resistance to basic slags Which is expensive & radioactive, is used in crucibles for melting high purity metals Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 1350 1715 2570 2800 1350 1715 2570 2800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Electric arc furnace roof Dome of blast furnace stoves All of these Glass melting furnaces Electric arc furnace roof Dome of blast furnace stoves All of these Glass melting furnaces ANSWER DOWNLOAD EXAMIANS APP