Refractory Technology Carborundum used for making crucibles for melting non-ferrous metals is chemically Crystalline magnesia Silicon nitride Zirconium sulphate Silicon carbide Crystalline magnesia Silicon nitride Zirconium sulphate Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Carbon Silica Tar dolomite Fireclay Carbon Silica Tar dolomite Fireclay 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. 20 and 80 50 and 50 80 and 20 60 and 40 20 and 80 50 and 50 80 and 20 60 and 40 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is ZrSO₄ Amorphous magnesite MgCO₃ Crystalline form of MgO ZrSO₄ Amorphous magnesite MgCO₃ Crystalline form of MgO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Texture Firing temperature Composition Shape Texture Firing temperature Composition Shape ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Bauxite Carborundum Periclase Corrundum Bauxite Carborundum Periclase Corrundum ANSWER DOWNLOAD EXAMIANS APP