Refractory Technology Which of the following does not occur during firing/burning of refractories? Development of stable mineral form Vitrification Removal of water of hydration Decrease in crushing strength Development of stable mineral form Vitrification Removal of water of hydration Decrease in crushing strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling resistance of a refractory can not be increased by Increasing its porosity Decreasing its thermal co-efficient of expansion Using a coarser grog during its manufacture Making it denser Increasing its porosity Decreasing its thermal co-efficient of expansion Using a coarser grog during its manufacture Making it denser ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a basic refractory? None of these Fireclay Silica Chrome magnesite None of these Fireclay Silica Chrome magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Lead blast furnace Coke oven walls Beehive oven Zinc roaster Lead blast furnace Coke oven walls Beehive oven Zinc roaster ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 50 30 90 70 50 30 90 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the All of these Chemical composition Presence of impurities like iron & alkali Physical structure All of these Chemical composition Presence of impurities like iron & alkali Physical structure ANSWER DOWNLOAD EXAMIANS APP
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