Refractory Technology Periclase refractory contains mainly CaO Al2O₃ MgO SiO₂ CaO Al2O₃ MgO SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal conductivity of refractory bricks Is independent of its porosity and is maximum for insulating bricks Increases with the amount of air entrapped in pores Increases with decrease in porosity Decreases with decreases in porosity Is independent of its porosity and is maximum for insulating bricks Increases with the amount of air entrapped in pores Increases with decrease in porosity Decreases with decreases in porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? Silica Chrome magnesite None of these Fireclay Silica Chrome magnesite None of these Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Breast wall Armouring Baffle Buckstay Breast wall Armouring Baffle Buckstay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks have low spalling resistance below 600°C, due to its Very high thermal conductivity High co-efficient of expansion upto this temperature Low refractoriness High thermal diffusivity Very high thermal conductivity High co-efficient of expansion upto this temperature Low refractoriness High thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high None of these Fusion point Shrinkage ability Spalling rate None of these Fusion point Shrinkage ability Spalling rate ANSWER DOWNLOAD EXAMIANS APP
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