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