Refractory Technology Cold crushing strength of fireclay bricks is about __________ kgf/cm². 200-400 500-1000 50-100 100-150 200-400 500-1000 50-100 100-150 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 8 58 44 24 8 58 44 24 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Strength Specific gravity Thermal conductivity Porosity Strength Specific gravity Thermal conductivity Porosity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Decreases Increases Remains same May increase or decrease Decreases Increases 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? Firebricks Silica bricks Sillimanite Silicon carbide bricks Firebricks Silica bricks Sillimanite Silicon carbide bricks ANSWER DOWNLOAD EXAMIANS APP
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