Refractory Technology Tar bonded dolomite bricks Have poorer hydration resistance than pitch bonded bricks All of these Are stored under controlled temperature & humidity to avoid hydration Are used in outer lining of L.D. converters Have poorer hydration resistance than pitch bonded bricks All of these Are stored under controlled temperature & humidity to avoid hydration Are used in outer lining of L.D. converters ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Zirconia Magnesia Silicon carbide None of these Zirconia Magnesia Silicon carbide None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1710 1380 1520 1915 1710 1380 1520 1915 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is the stable form of silica upto 1470°C ? Tridymite Quartz Cristobalite None of these Tridymite Quartz Cristobalite None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of Insulating bricks Muffles for muffle furnaces Crucibles used for melting of high purity metals Segar cones Insulating bricks Muffles for muffle furnaces Crucibles used for melting of high purity metals Segar cones ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Composition Texture All of these Firing temperature Composition Texture All of these Firing temperature ANSWER DOWNLOAD EXAMIANS APP
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