Refractory Technology Which of the following has the lowest electrical resistivity? Alumina Zircon Fireclay Graphite Alumina Zircon Fireclay Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ramming masses are used for Neither A nor B Both A & B Obtaining monolithic working faces Repairing construction of various furnace parts Neither A nor B Both A & B Obtaining monolithic working faces Repairing construction of various furnace parts ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Graphite or carbon refractories Exhibit high shrinkage on thermal treatment Should be used in neutral or reducing atmosphere Exihibit wetting characteristics Are not resistant to corrosion by slag Exhibit high shrinkage on thermal treatment Should be used in neutral or reducing atmosphere Exihibit wetting characteristics Are not resistant to corrosion by slag ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness/fusion points of 'superduty' refractories is __________ °C. > 1730 > 2000 1520-1630 1630-1670 > 1730 > 2000 1520-1630 1630-1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are never used in the Lead blast furnace Zinc roaster Beehive oven Coke oven walls Lead blast furnace Zinc roaster Beehive oven Coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Hand moulding Pressing/machine moulding Slip casting Extrusion Hand moulding Pressing/machine moulding Slip casting Extrusion ANSWER DOWNLOAD EXAMIANS APP
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