Refractory Technology Thermal spalling mainly occurs during __________ of furnaces. Cooling down Both A & B Neither A nor B Warming up Cooling down Both A & B Neither A nor B Warming up ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks. Silica Dolomite Very low alumina Fireclay Silica Dolomite Very low alumina Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? Tridymite Quartz None of these Cristobalite Tridymite Quartz None of these Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica upto 1470°C ? Cristobalite Quartz None of these Tridymite Cristobalite Quartz None of these Tridymite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by Molten steel Lime slag Iron oxide None of these Molten steel Lime slag Iron oxide None of these ANSWER DOWNLOAD EXAMIANS APP
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