Refractory Technology Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of Corrundum Silicon carbide Siliceous fireclay Fireclay Corrundum Silicon carbide Siliceous fireclay Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Conversion of silica mineral to cristobalite is accompanied by reduction in its Volume Specific gravity Neither A nor B Both A & B Volume Specific gravity Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant? Rotary lime kiln Ceheating furnace L.D. converter Soaking pits Rotary lime kiln Ceheating furnace L.D. converter Soaking pits ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica upto 1470°C ? None of these Quartz Tridymite Cristobalite None of these Quartz Tridymite Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory Cements Castables None of these Mortars Cements Castables None of these Mortars ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following does not occur during firing/burning of refractories? Development of stable mineral form Vitrification Removal of water of hydration Decrease in crushing strength Development of stable mineral form Vitrification Removal of water of hydration Decrease in crushing strength ANSWER DOWNLOAD EXAMIANS APP
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