Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. 500 1000 >2000 >1350 500 1000 >2000 >1350 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Has poor electrical conductivity at high temperature Is produced from baddeleyite Does not react with basic slags Can not be used as an insulator Has poor electrical conductivity at high temperature Is produced from baddeleyite Does not react with basic slags Can not be used as an insulator ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Zirconia None of these Magnesia Silicon carbide Zirconia None of these Magnesia Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar dolomite bricks are used in the Electric furnaces Basic open hearth furnace Basic Bessemer converter All of these Electric furnaces Basic open hearth furnace Basic Bessemer converter All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks have low spalling resistance below 600°C, due to its High thermal diffusivity High co-efficient of expansion upto this temperature Low refractoriness Very high thermal conductivity High thermal diffusivity High co-efficient of expansion upto this temperature Low refractoriness Very high thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Oxides Borides Carbides Nitrides Oxides Borides Carbides Nitrides ANSWER DOWNLOAD EXAMIANS APP
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