Refractory Technology Carbon refractories are exclusively used in the Side wall of soaking pits Regenerators of coke oven Hearth of blast furnace Walls of coke oven Side wall of soaking pits Regenerators of coke oven Hearth of blast furnace Walls of coke oven ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 65 250 150 450 65 250 150 450 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Panel test determines the __________ of refractories. Refractoriness under load (RUL) Slag penetration resistance Fusion point Spalling resistance Refractoriness under load (RUL) Slag penetration resistance Fusion point Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. >1350 >2000 500 1000 >1350 >2000 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Slip casting Hand moulding Pressing/machine moulding Extrusion Slip casting Hand moulding Pressing/machine moulding Extrusion ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Crushing strength of a refractory Decreases with rise in service temperature Is unaffected with change in service temperature Increases with rise in service temperature Decreases with increase in porosity Decreases with rise in service temperature Is unaffected with change in service temperature Increases with rise in service temperature Decreases with increase in porosity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS