Refractory Technology Which brick undergoes maximum shrinkage on drying? Chromite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks Chromite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 30 10 15 20 30 10 15 20 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum safe working temperature for fireclay bricks is about __________ °C. 1150 1550 1450 1300 1150 1550 1450 1300 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 450 250 150 65 450 250 150 65 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high None of these Shrinkage ability Fusion point Spalling rate None of these Shrinkage ability Fusion point Spalling rate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Nitrides Carbides Oxides Borides Nitrides Carbides Oxides Borides ANSWER DOWNLOAD EXAMIANS APP
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