Silica refractories are not used in _________________?

Refractory Technology 14/10/2024

A. Coke oven walls
B. Beehive coke ovens
C. Dome and upper portion of B.F. stoves
D. Open hearth furnace roof

Related Mcqs:

    Spalling of a refractory means its____________________?
    A. Softening B. Fracture due to uneven expansion at high temperature C. Resistance to compressive loads D. Resistance to chemical action of gases and molten fluxes...
    Which is not a basic refractory ?
    A. Chrome magnesite B. Magnesite C. Dolomite D. Silicon carbide...
    Which is the stable form of silica below 870°C ?
    A. Tridymite B. Cristobalite C. Quartz D. None of these...
    Outer combustion chamber of blast furnace stove is lined with _____________ bricks?
    A. Fireclay B. Silica C. Chrome magnesite D. Zirconia...
    Which furnace consumes maximum refractory annually in an integrated steel plant ?
    A. Soaking pit B. Blast furnace C. L.D. converter D. Coke ovens...

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