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