Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Water Plaster of paris Lime Aluminium phosphate Water Plaster of paris Lime Aluminium phosphate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity of silica bricks varies from __________ percent. 60 to 75 20 to 30 5 to 10 45 to 60 60 to 75 20 to 30 5 to 10 45 to 60 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite refractories have low resistance to Attack by basic slag Abrasion Disintegration on sudden change of temperature Both B and C Attack by basic slag Abrasion Disintegration on sudden change of temperature Both B and C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Silica bricks High alumina bricks Low duty firebricks Graphite blocks Silica bricks High alumina bricks Low duty firebricks Graphite blocks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1520 1630 1730 1670 1520 1630 1730 1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Silica Graphite Magnesia Magnesite chrome Silica Graphite Magnesia Magnesite chrome ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS