Refractory Technology Fusion temperature of pure silica (SiO₂) is __________ °C. 1350 2800 2570 1715 1350 2800 2570 1715 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 2000 1600 700 1000 2000 1600 700 1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Burning All of these Cooling Preheating Burning All of these Cooling Preheating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns. 2200 2400 2700 1800 2200 2400 2700 1800 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ °C. 1730 1520 1630 1670 1730 1520 1630 1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Texture All of these Composition Firing temperature Texture All of these Composition Firing temperature ANSWER DOWNLOAD EXAMIANS APP