Refractory Technology Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks. Silica Very low alumina Fireclay Dolomite Silica Very low alumina Fireclay Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent. 10 15 20 30 10 15 20 30 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have Greater diffusivity All of these Low thermal co-efficient of expansion Low specific heat Greater diffusivity All of these Low thermal co-efficient of expansion Low specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? Fireclay None of these Silica Chrome magnesite Fireclay None of these Silica Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Electrical resistor bars are made of Alumina Silicon carbide Zirconia Graphite Alumina Silicon carbide Zirconia Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 70 90 50 30 70 90 50 30 ANSWER DOWNLOAD EXAMIANS APP