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