Refractory Technology Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm². 100 500 1000 10 100 500 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Firing temperature of magnesite bricks is about __________ °C. 1000-1200 800-1000 1600-1800 2400-2600 1000-1200 800-1000 1600-1800 2400-2600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Fireclay Thoria High alumina Silicon carbide Fireclay Thoria High alumina Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories are not used in Beehive coke ovens Coke oven walls Dome and upper portion of B.F. stoves Open hearth furnace roof Beehive coke ovens Coke oven walls Dome and upper portion of B.F. stoves Open hearth furnace roof ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Thoria Alumina Zirconia Magnesia Thoria Alumina Zirconia Magnesia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Addition of zircon to silica refractory brick improves its Neither A nor B Neither A nor B Resistance to slag attack Crushing strength Neither A nor B Neither A nor B Resistance to slag attack Crushing strength ANSWER DOWNLOAD EXAMIANS APP
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