Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1380 1710 1520 1915 1380 1710 1520 1915 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Corrundum Mullite Bauxite Dolomite Corrundum Mullite Bauxite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Corrosion by layer of slag Both A & B Washing action of metal Neither A nor B Corrosion by layer of slag Both A & B Washing action of metal Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Silicon carbide bricks Firebricks Silica bricks Sillimanite Silicon carbide bricks Firebricks Silica bricks Sillimanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 80 and 20 50 and 50 60 and 40 20 and 80 80 and 20 50 and 50 60 and 40 20 and 80 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. 85% alumina Fireclay Corundum Carbon 85% alumina Fireclay Corundum Carbon ANSWER DOWNLOAD EXAMIANS APP
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