Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 50-100 200-400 100-150 500-1000 50-100 200-400 100-150 500-1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 58 8 24 44 58 8 24 44 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Porosity Strength Specific gravity Thermal conductivity Porosity Strength Specific gravity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Increases Decreases Remains same May increase or decrease Increases Decreases Remains same May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following bricks should not be used, if the furnace is to be used intermit-tantly? Silica bricks Sillimanite Silicon carbide bricks Firebricks Silica bricks Sillimanite Silicon carbide bricks Firebricks ANSWER DOWNLOAD EXAMIANS APP
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