Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Ball Pug Rod Tube Ball Pug Rod Tube ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of grog in fireclay brick during its manufacture is advantageous, because it results in High strength & thermal spalling resistance All of these Less addition of water to get a workable plasticity & lesser time required for drying the raw refractories and hence increased rate of production Less shrinkage in heating, decreased apparent porosity & increased specific gravity High strength & thermal spalling resistance All of these Less addition of water to get a workable plasticity & lesser time required for drying the raw refractories and hence increased rate of production Less shrinkage in heating, decreased apparent porosity & increased specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology What is Thoria? Thoria Has high resistance to basic slags Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock Which is expensive & radioactive, is used in crucibles for melting high purity metals All of these Thoria Has high resistance to basic slags Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock Which is expensive & radioactive, is used in crucibles for melting high purity metals All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Coke oven regenarators Recuperators Blast furnace Muffle furnace Coke oven regenarators Recuperators Blast furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory materials are never used in the construction of Pressure vessels Ovens & retorts Segar cones Orton cones Pressure vessels Ovens & retorts Segar cones Orton cones ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? High alumina refractory Carbon black Fireclay Silica High alumina refractory Carbon black Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
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