Refractory Technology Spray test determines the __________ of refractories. Permanent linear change Resistance to CO attack RUL Resistance to slag penetration Permanent linear change Resistance to CO attack RUL Resistance to slag penetration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a basic refractory? Dolomite Magnesite Chrome magnesite Silicon carbide Dolomite Magnesite Chrome magnesite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractory Does not react with basic slags Is produced from baddeleyite Can not be used as an insulator Has poor electrical conductivity at high temperature Does not react with basic slags Is produced from baddeleyite Can not be used as an insulator Has poor electrical conductivity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Black Light buff to reddish buff None of these Yellow Black Light buff to reddish buff None of these Yellow ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Presence of impurities like iron & alkali Chemical composition Physical structure All of these Presence of impurities like iron & alkali Chemical composition Physical structure All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Armouring Baffle Breast wall Buckstay Armouring Baffle Breast wall Buckstay ANSWER DOWNLOAD EXAMIANS APP