Refractory Technology Which is the stable form of silica between 1470°C and the melting point 1713°C ? Cristobalite Tridymite None of these Quartz Cristobalite Tridymite None of these Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high Fusion point None of these Spalling rate Shrinkage ability Fusion point None of these Spalling rate Shrinkage ability ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1600-1800 1000-1200 800-1000 2400-2600 1600-1800 1000-1200 800-1000 2400-2600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to All of these Reduce its shrinkage on heating Impart greater spalling resistance Enhance the strength of fired refractories All of these Reduce its shrinkage on heating Impart greater spalling resistance Enhance the strength of fired refractories ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called Spalling resistance None of these Refractoriness Refractoriness under load (RUL) Spalling resistance None of these Refractoriness Refractoriness under load (RUL) ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant? Soaking pits Ceheating furnace Rotary lime kiln L.D. converter Soaking pits Ceheating furnace Rotary lime kiln L.D. converter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS