Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. >1350 500 1000 >2000 >1350 500 1000 >2000 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 Which of the following bricks has the most close values of RUL and PCE? Silica bricks Tar dolomite bricks High alumina bricks Fireclay bricks Silica bricks Tar dolomite bricks High alumina bricks Fireclay bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Hand moulding Pressing/machine moulding Extrusion Slip casting Hand moulding Pressing/machine moulding Extrusion Slip casting ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Dilatometer is used for the determination of __________ of refractories. Resistance to CO attack Permanent linear change RUL Modulus of rupture Resistance to CO attack Permanent linear change RUL Modulus of rupture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are Basic refractory Acidic refractory Fired at a temperature of 600°C only Neutral refractory Basic refractory Acidic refractory Fired at a temperature of 600°C only Neutral refractory ANSWER DOWNLOAD EXAMIANS APP