Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. Non-wetting characteristics High thermal conductivity Low porosity High density Non-wetting characteristics High thermal conductivity Low porosity High density 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. Crushing strength Resistance to slag Spalling resistance Refractoriness Crushing strength Resistance to slag Spalling resistance Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Yellow None of these Black Light buff to reddish buff Yellow None of these Black Light buff to reddish buff ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks are used in those parts of furnaces, which are None of these Required to resist corrosive basic slag Subjected to temperature fluctuation Subjected to high load None of these Required to resist corrosive basic slag Subjected to temperature fluctuation Subjected to high load ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Both A & B Continuous casting systems Neither A nor B Slide gate in teeming laddies Both A & B Continuous casting systems Neither A nor B Slide gate in teeming laddies ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology A steel member used in the furnace construction to take the thrust of the brickwork is called Armouring Breast wall Buckstay Baffle Armouring Breast wall Buckstay Baffle ANSWER DOWNLOAD EXAMIANS APP
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