Refractory Technology Maximum alumina content in high alumina refractory can be as high as __________ percent. 30 50 70 90 30 50 70 90 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have Greater diffusivity Low thermal co-efficient of expansion Low specific heat All of these Greater diffusivity Low thermal co-efficient of expansion Low specific heat All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Colour of fireclay bricks is Yellow Black Light buff to reddish buff None of these Yellow Black Light buff to reddish buff None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic electric furnace is made of __________ bricks. Superduty fireclay Silica None of these Chromite Superduty fireclay Silica None of these Chromite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Continuous casting systems Both A & B Neither A nor B Slide gate in teeming laddies Continuous casting systems Both A & B Neither A nor B Slide gate in teeming laddies ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) is the most important property for the refractory bricks Used for furnace insulation None of these At the hearth bottom of the furnace on which stock is placed Used in the roof of the furnace Used for furnace insulation None of these At the hearth bottom of the furnace on which stock is placed Used in the roof of the furnace ANSWER DOWNLOAD EXAMIANS APP
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