Refractory Technology High alumina refractories are used in the Dome of blast furnace stoves Glass melting furnaces All of these Electric arc furnace roof Dome of blast furnace stoves Glass melting furnaces All of these Electric arc furnace roof ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Graphite Carborundum Chromite Fireclay Graphite Carborundum Chromite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Beehive oven Coke oven walls Zinc roaster Lead blast furnace Beehive oven Coke oven walls Zinc roaster Lead blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? Cristobalite None of these Quartz Tridymite Cristobalite None of these Quartz Tridymite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Crushing strength of a refractory Decreases with increase in porosity Decreases with rise in service temperature Is unaffected with change in service temperature Increases with rise in service temperature Decreases with increase in porosity Decreases with rise in service temperature Is unaffected with change in service temperature Increases with rise in service temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ nozzles are used in continuous casting of steel, Zircon Carborundum Beryllia Thoria Zircon Carborundum Beryllia Thoria ANSWER DOWNLOAD EXAMIANS APP
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