Refractory Technology silicon carbide refractories have very low Refractoriness (< 1700°C) Resistance to thermal shock Thermal conductivity None of these Refractoriness (< 1700°C) Resistance to thermal shock Thermal conductivity None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Resistance to CO attack Modulus of rupture Permanent linear change RUL Resistance to CO attack Modulus of rupture Permanent linear change RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories are generally not used in the Open hearth furnace Steel melting furnace Electric furnace walls Burning zone of cement kilns Open hearth furnace Steel melting furnace Electric furnace walls Burning zone of cement kilns ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Lower wall courses of soaking pits are made of __________ bricks to avoid the action of molten slag & scale. Chrome or magnesite Lowduty fireclay Silicon carbide Silica Chrome or magnesite Lowduty fireclay Silicon carbide Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of Segar cones Insulating bricks Muffles for muffle furnaces Crucibles used for melting of high purity metals Segar cones Insulating bricks Muffles for muffle furnaces Crucibles used for melting of high purity metals 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 Refractoriness under load (RUL) Spalling resistance Refractoriness None of these Refractoriness under load (RUL) Spalling resistance Refractoriness ANSWER DOWNLOAD EXAMIANS APP
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