Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to Fusion under load Slag attack Thermal spalling CO attack Fusion under load Slag attack Thermal spalling CO attack ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The maximum linear expansion of silica bricks during firing is about __________ percent. 2 1 3.5 0.5 2 1 3.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Si percentage in silica refractories used in the walls of coke oven is about 80 60 45 95 80 60 45 95 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 500 10 100 1000 500 10 100 1000 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. 1710 1520 1915 1380 1710 1520 1915 1380 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Graphite Magnesite chrome Silica Magnesia Graphite Magnesite chrome Silica Magnesia ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS