Refractory Technology Which one contains maximum percentage of Al2O₃ ? Aluminous firebrick Magnesite Firebrick Sillimanite Aluminous firebrick Magnesite Firebrick Sillimanite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bauxite calcining rotary kilns are lined with __________ bricks. Fireclay Corundum 85% alumina Carbon Fireclay Corundum 85% alumina Carbon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chrome magnesite brick is not used for lining the Burning zone of limestone rotary kilns Hearth of soaking pits Coke oven regenerator Bottom hearth of reheating furnace Burning zone of limestone rotary kilns Hearth of soaking pits Coke oven regenerator Bottom hearth of reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks should not be used in oxidising atmosphere. Carbon Silica Tar dolomite Fireclay Carbon Silica Tar dolomite Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one expands on heating? Both A & B Fireclay bricks Silica bricks Neither A nor B Both A & B Fireclay bricks Silica bricks Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C. 570 270 770 70 570 270 770 70 ANSWER DOWNLOAD EXAMIANS APP
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