Refractory Technology Cold crushing strength of a refractory does not depend upon its Composition Shape Texture Firing temperature Composition Shape Texture Firing temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Low duty firebricks High alumina bricks Silica bricks Graphite blocks Low duty firebricks High alumina bricks Silica bricks Graphite blocks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called Refractoriness Spalling resistance None of these Refractoriness under load (RUL) Refractoriness Spalling resistance None of these Refractoriness under load (RUL) ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property is important for bricks used in the combustion chamber & dome of blast furnace stoves? High resistance to spalling High strength and density High refractoriness All of these High resistance to spalling High strength and density High refractoriness All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal conductivity of refractory bricks Increases with decrease in porosity Decreases with decreases in porosity Is independent of its porosity and is maximum for insulating bricks Increases with the amount of air entrapped in pores Increases with decrease in porosity Decreases with decreases in porosity Is independent of its porosity and is maximum for insulating bricks Increases with the amount of air entrapped in pores ANSWER DOWNLOAD EXAMIANS APP