Refractory Technology __________ nozzles are used in continuous casting of steel, Carborundum Zircon Thoria Beryllia Carborundum Zircon Thoria Beryllia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Quartz is Stable form of silica upto 870°C All of these Converted to tridymite on firing between 870 to 1470°C Transformed to crystoballite on heating above 1470°C Stable form of silica upto 870°C All of these Converted to tridymite on firing between 870 to 1470°C Transformed to crystoballite on heating above 1470°C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High porosity refractory bricks have Poor resistance to the peneration of molten slag, metal & flue gases Poor heat conductivity & low strength All of these Better thermal spalling resistance Poor resistance to the peneration of molten slag, metal & flue gases Poor heat conductivity & low strength All of these Better thermal spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which furnace consumes maximum refractory annually in an integrated steel plant? Coke ovens Soaking pit L.D. converter Blastfurnace Coke ovens Soaking pit L.D. converter Blastfurnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Buckstay Armouring Baffle Breast wall Buckstay Armouring Baffle Breast wall ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Alumina Thoria Magnesia Zirconia Alumina Thoria Magnesia Zirconia ANSWER DOWNLOAD EXAMIANS APP
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