Refractory Technology Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant? Ceheating furnace L.D. converter Soaking pits Rotary lime kiln Ceheating furnace L.D. converter Soaking pits Rotary lime kiln ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are used in Both A & B Bottom of soaking pits Neither A nor B Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Both A & B Bottom of soaking pits Neither A nor B Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly Al2O₃ CaO MgO SiO₂ Al2O₃ CaO MgO SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zircon refractories have All of these High spalling resistance Low co-efficient of expansion High RUL (1600°C) and refractoriness (> 2000°C) All of these High spalling resistance Low co-efficient of expansion High RUL (1600°C) and refractoriness (> 2000°C) ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology What is Thoria? Which is expensive & radioactive, is used in crucibles for melting high purity metals Thoria Has high resistance to basic slags Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock All of these Which is expensive & radioactive, is used in crucibles for melting high purity metals Thoria Has high resistance to basic slags Thoria Has high fusion temperature (> 3000°C) but poor resistance to thermal shock All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology silicon carbide refractories have very low Resistance to thermal shock Refractoriness (< 1700°C) Thermal conductivity None of these Resistance to thermal shock Refractoriness (< 1700°C) Thermal conductivity None of these ANSWER DOWNLOAD EXAMIANS APP
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