Refractory Technology Hollow refractory bricks are made by Extrusion Hand moulding Pressing/machine moulding Slip casting Extrusion Hand moulding Pressing/machine moulding Slip casting ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which property of refractories is the most important for top section of the blast furnace? Resistance to corrosion by slag Resistance to abrasion Stability of volume at high temperature Resistance to slag peneration Resistance to corrosion by slag Resistance to abrasion Stability of volume at high temperature Resistance to slag peneration ANSWER DOWNLOAD EXAMIANS APP
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 Lime Aluminium phosphate Plaster of paris Water Lime Aluminium phosphate Plaster of paris ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Silica bricks Magnesia bricks Fireclay bricks Bauxite bricks Silica bricks Magnesia bricks Fireclay bricks Bauxite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness of a typical silica brick corresponds to Segar cone number, '32', which is equivalent to a temperature of __________ °C. 1380 1915 1520 1710 1380 1915 1520 1710 ANSWER DOWNLOAD EXAMIANS APP