Refractory Technology Addition of zircon to silica refractory brick improves its Neither A nor B Crushing strength Neither A nor B Resistance to slag attack Neither A nor B Crushing strength Neither A nor B Resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Fireclay bricks Tar bonded dolomite bricks Mullite bricks Magnesite bricks Fireclay bricks Tar bonded dolomite bricks Mullite bricks Magnesite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the most stable crystalline form of silica at room temperature? Cristobalite Tridymite None of these Quartz Cristobalite Tridymite None of these Quartz ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Carbon Tar dolomite Fireclay Silica Carbon Tar dolomite Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica below 870°C ? None of these Quartz Tridymite Cristobalite None of these Quartz Tridymite Cristobalite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Borides Nitrides Carbides Oxides Borides Nitrides Carbides Oxides ANSWER DOWNLOAD EXAMIANS APP
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