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 under load (RUL) Refractoriness None of these Spalling resistance Refractoriness under load (RUL) Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology silicon carbide refractories have very low None of these Refractoriness (< 1700°C) Resistance to thermal shock Thermal conductivity None of these Refractoriness (< 1700°C) Resistance to thermal shock Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Muffle furnaces Coke ovens Insulation Regenerators Muffle furnaces Coke ovens Insulation Regenerators ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Resistance to slag attack of a refractory All of these Decreases at higher temperature Decreases, if defective joints & cracks exist in the refractory Depends on the nature of slag & refractory All of these Decreases at higher temperature Decreases, if defective joints & cracks exist in the refractory Depends on the nature of slag & refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to Fusion under load Thermal spalling Slag attack CO attack Fusion under load Thermal spalling Slag attack CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of zircon to silica refractory brick improves its Resistance to slag attack Neither A nor B Crushing strength Neither A nor B Resistance to slag attack Neither A nor B Crushing strength Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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