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