Refractory Technology Carbon bricks are not used in the lining of the Combustion chamber of blast furnace stoves Electric furnaces Highly chemical resistant equipments Blast furnace hearth Combustion chamber of blast furnace stoves Electric furnaces Highly chemical resistant equipments Blast furnace hearth ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The linear thermal expansion of __________ bricks upto 1000 °C is very low of the order of ≤ 0.5 percent. Fireclay Corundum Silica Magnesite Fireclay Corundum Silica Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about 55-60 80-85 >94 35-40 55-60 80-85 >94 35-40 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Pressing/machine moulding Hand moulding Slip casting Extrusion Pressing/machine moulding Hand moulding Slip casting Extrusion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called None of these Spalling resistance Refractoriness Refractoriness under load (RUL) None of these Spalling resistance Refractoriness Refractoriness under load (RUL) ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Neither A nor B Less fusion point Better spalling resistance Both A & B Neither A nor B Less fusion point Better spalling resistance Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS