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 Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Magnesite Zirconia Silica Fireclay Magnesite Zirconia Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite. Spalling resistance Resistance to slag Refractoriness Crushing strength Spalling resistance Resistance to slag Refractoriness Crushing strength ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Basic bricks are not made of Chromite Fireclay Foresterite Magnesite Chromite Fireclay Foresterite Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Texture Composition All of these Firing temperature Texture Composition All of these Firing temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractories used in/for __________ should have low thermal conductivity. Insulation Regenerators Muffle furnaces Coke ovens Insulation Regenerators Muffle furnaces Coke ovens ANSWER DOWNLOAD EXAMIANS APP
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