Refractory Technology Firing of refractory brick is done to Develop stable mineral forms in them Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product All of these Develop stable mineral forms in them Dehydrate the dried refractory Form ceramic bonds necessary for development of high crushing strength in the finished product All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar bonded dolomite bricks Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks Are stored under controlled temperature & humidity to avoid hydration All of these Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks Are stored under controlled temperature & humidity to avoid hydration All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Better spalling resistance Both A & B Neither A nor B Less fusion point Better spalling resistance Both A & B Neither A nor B Less fusion point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Does not affect Either A or B; depends on its quantity Lowers Increases Does not affect Either A or B; depends on its quantity Lowers Increases 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 Cold crushing strength of a refractory does not depend upon its Composition Texture Shape Firing temperature Composition Texture Shape Firing temperature ANSWER DOWNLOAD EXAMIANS APP