Refractory Technology Hollow refractory bricks are made by Extrusion Slip casting Pressing/machine moulding Hand moulding Extrusion Slip casting Pressing/machine moulding Hand moulding ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is required in an insulating refractory? High thermal conductivity Both A & B Neither A nor B Low porosity High thermal conductivity Both A & B Neither A nor B Low porosity 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 . 250 65 150 450 250 65 150 450 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called Refractoriness under load (RUL) None of these Spalling resistance Refractoriness Refractoriness under load (RUL) None of these Spalling resistance Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot metal runner in blast furnace are lined with __________ bricks. Fireclay Silica Carborundum Magnesite Fireclay Silica Carborundum Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Beehive oven Zinc roaster Lead blast furnace Coke oven walls Beehive oven Zinc roaster Lead blast furnace Coke oven walls ANSWER DOWNLOAD EXAMIANS APP
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