Refractory Technology Spray test determines the __________ of refractories. Permanent linear change Resistance to CO attack Resistance to slag penetration RUL Permanent linear change Resistance to CO attack Resistance to slag penetration RUL ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1380 1520 1915 1710 1380 1520 1915 1710 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Physical structure Presence of impurities like iron & alkali Chemical composition All of these Physical structure Presence of impurities like iron & alkali Chemical composition All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are not used in the Combustion chamber of B.F. stoves Coke oven regenerators Beehive coke oven By-product coke oven walls Combustion chamber of B.F. stoves Coke oven regenerators Beehive coke oven By-product coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage? Magnesite bricks Tar bonded dolomite bricks Mullite bricks Fireclay bricks Magnesite bricks Tar bonded dolomite bricks Mullite bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Magnesite Fireclay Carborundum Silica Magnesite Fireclay Carborundum Silica ANSWER DOWNLOAD EXAMIANS APP
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