Refractory Technology High thermal conductivity of a refractory material is not important, when it is to be used in the Muffle furnace Coke oven regenarators Recuperators Blast furnace Muffle furnace Coke oven regenarators Recuperators Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Attack by basic slag Abrasion Both B and C Disintegration on sudden change of temperature Attack by basic slag Abrasion Both B and C Disintegration on sudden change of temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to CO attack Slag attack Fusion under load Thermal spalling CO attack Slag attack Fusion under load Thermal spalling ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog All of these Is a non-plastic material Iscrushed firebrick Contains both alumina and silica All of these Is a non-plastic material Iscrushed firebrick Contains both alumina and silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgSO₄ MgAl2O₄ MgAl2O₃.2H₂O MgAl2O₃ MgSO₄ MgAl2O₄ MgAl2O₃.2H₂O MgAl2O₃ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase is Amorphous magnesite Crystalline form of MgO MgCO₃ ZrSO₄ Amorphous magnesite Crystalline form of MgO MgCO₃ ZrSO₄ ANSWER DOWNLOAD EXAMIANS APP