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