Refractory Technology Magnesite refractories are generally not used in the Burning zone of cement kilns Open hearth furnace Electric furnace walls Steel melting furnace Burning zone of cement kilns Open hearth furnace Electric furnace walls Steel melting furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 1000 500 100 10 1000 500 100 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly Al2O₃ MgO SiO₂ CaO Al2O₃ MgO SiO₂ CaO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay refractories have Tendency to expand unduly high during firing Very high cost Poor thermal spalling resistance Low co-efficient of thermal expansion Tendency to expand unduly high during firing Very high cost Poor thermal spalling resistance Low co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Fireclay bricks Silica bricks Neither A nor B Both A & B Fireclay bricks Silica bricks Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors. Thoria Carborundum Corundum Beryllia Thoria Carborundum Corundum Beryllia ANSWER DOWNLOAD EXAMIANS APP
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