Refractory Technology Which of the following does not occur during firing/burning of refractories? Vitrification Development of stable mineral form Decrease in crushing strength Removal of water of hydration Vitrification Development of stable mineral form Decrease in crushing strength Removal of water of hydration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dolomite bricks have good resistance to attack by Lime slag None of these Iron oxide Molten steel Lime slag None of these Iron oxide Molten steel ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Sillimanite is a __________ refractory. Neutral Basic High alumina Insulating Neutral Basic High alumina Insulating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Is a non-plastic material All of these Iscrushed firebrick Contains both alumina and silica Is a non-plastic material All of these Iscrushed firebrick Contains both alumina and silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Fireclay Magnesite Zirconia Silica Fireclay Magnesite Zirconia Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Less load bearing capacity High resistance to thermal shock and creep Less resistance to slag attack Low refractoriness Less load bearing capacity High resistance to thermal shock and creep Less resistance to slag attack Low refractoriness ANSWER DOWNLOAD EXAMIANS APP
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