Refractory Technology Which form of silica has the highest specific gravity? Cristobalite All of these Quartz Tridymite Cristobalite All of these Quartz Tridymite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the Corrosion by layer of slag Both A & B Neither A nor B Washing action of metal Corrosion by layer of slag Both A & B Neither A nor B Washing action of metal ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of refractories depends upon its Composition Firing temperature All of these Texture Composition Firing temperature All of these Texture ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hollow refractory bricks are made by Extrusion Hand moulding Pressing/machine moulding Slip casting Extrusion Hand moulding Pressing/machine moulding Slip casting ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Melting point Rate at which a fluid will pass through the pores Expansion during heating Refractoriness Melting point Rate at which a fluid will pass through the pores Expansion during heating Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica bricks are never used for lining the Dome of blast furnace stoves Roof of open hearth furnace Beehive coke ovens By-product coke ovens Dome of blast furnace stoves Roof of open hearth furnace Beehive coke ovens By-product coke ovens ANSWER DOWNLOAD EXAMIANS APP
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