Refractory Technology Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, becaus of its None of these High crushing strength High thermal conductivity Non-wetting characteristic None of these High crushing strength High thermal conductivity Non-wetting characteristic ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Borides Oxides Nitrides Carbides Borides Oxides Nitrides Carbides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? None of these Fireclay Chrome magnesite Silica None of these Fireclay Chrome magnesite Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding Powdered naphthalene Ammonium chloride/sulphate Calcium phosphate All of these Powdered naphthalene Ammonium chloride/sulphate Calcium phosphate All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Physical structure All of these Presence of impurities like iron & alkali Chemical composition Physical structure All of these Presence of impurities like iron & alkali Chemical composition ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Magnesia Magnesite chrome Graphite Silica Magnesia Magnesite chrome Graphite Silica ANSWER DOWNLOAD EXAMIANS APP
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