Refractory Technology Spray test determines the __________ of refractories. RUL Permanent linear change Resistance to slag penetration Resistance to CO attack RUL Permanent linear change Resistance to slag penetration Resistance to CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mullite is chemically represented by 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . SiO₂ Al2O₃ . 2SiO₂ 3Al2O₃ . 2SiO₂ 2Al2O₃ . 3SiO₂ Al2O₃ . SiO₂ Al2O₃ . 2SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C. 270 570 70 770 270 570 70 770 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An ideal refractory should have high Spalling rate Shrinkage ability Fusion point None of these Spalling rate Shrinkage ability Fusion point None of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which furnace consumes maximum refractory annually in an integrated steel plant? Blastfurnace Soaking pit L.D. converter Coke ovens Blastfurnace Soaking pit L.D. converter Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. 1630-1670 1520-1630 > 1730 > 2000 1630-1670 1520-1630 > 1730 > 2000 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS