Refractory Technology Refractory castables are used for Minimising the number of joints in the structure Producing monolithic linings All of these Patch work Minimising the number of joints in the structure Producing monolithic linings All of these Patch work 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 Crucibles used for melting of high purity metals Segar cones Insulating bricks Muffles for muffle furnaces Crucibles used for melting of high purity metals Segar cones Insulating bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 60 and 40 50 and 50 20 and 80 80 and 20 60 and 40 50 and 50 20 and 80 80 and 20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chemically, mullite refractories is ZrSO₄ ThO₂ Al2O₃ 3Al2O₃.2SiO₂ ZrSO₄ ThO₂ Al2O₃ 3Al2O₃.2SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of a refractory means its Resistance to chemical action of gases and molten fluxes Resistancce to compressive loads Softening Fracture due to uneven expansion at high temperature Resistance to chemical action of gases and molten fluxes Resistancce to compressive loads Softening Fracture due to uneven expansion at high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Corrundum Bauxite Carborundum Periclase Corrundum Bauxite Carborundum Periclase ANSWER DOWNLOAD EXAMIANS APP
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