Refractory Technology Cold crushing strength of refractories depends upon its Composition Firing temperature Texture All of these Composition Firing temperature Texture All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractory compared to fireclay bricks have Low refractoriness Less load bearing capacity High resistance to thermal shock and creep Less resistance to slag attack Low refractoriness Less load bearing capacity High resistance to thermal shock and creep Less resistance to slag attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains minimum percentage of SiO₂? Semi-silica Firebrick Sillimanite Aluminous firebrick Semi-silica Firebrick Sillimanite Aluminous firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 50-100 100-150 200-400 500-1000 50-100 100-150 200-400 500-1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Tar bonded dolomite bricks Are stored under controlled temperature & humidity to avoid hydration Have poorer hydration resistance than pitch bonded bricks Are used in outer lining of L.D. converters All of these Are stored under controlled temperature & humidity to avoid hydration Have poorer hydration resistance than pitch bonded bricks Are used in outer lining of L.D. converters All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of a refractory means its Resistancce to compressive loads Resistance to chemical action of gases and molten fluxes Fracture due to uneven expansion at high temperature Softening Resistancce to compressive loads Resistance to chemical action of gases and molten fluxes Fracture due to uneven expansion at high temperature Softening ANSWER DOWNLOAD EXAMIANS APP
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