Refractory Technology Pure oxide refractories are generally monocrystaliine in nature and are self bonded __________ bricks are generally used as moderator in nuclear reactors. Beryllia Corundum Carborundum Thoria Beryllia Corundum Carborundum Thoria ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Magnesite Dolomite Silica Fireclay Magnesite Dolomite Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks are used in the Furnaces allowed to cool frequently Flues All of these Chimney linings Furnaces allowed to cool frequently Flues All of these Chimney linings ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of a refractory does not depend upon its Shape Texture Firing temperature Composition Shape Texture Firing temperature Composition ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the All of these Glass melting furnaces Dome of blast furnace stoves Electric arc furnace roof All of these Glass melting furnaces Dome of blast furnace stoves Electric arc furnace roof ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome refractories Are not at all resistant to the corrosive action of iron oxide Have very low (50 kg/cm² ) cold crushing strength (C.C.S.), and can not be used in metalcase form Have very low thermal co-efficient of expansion Have better spalling resistance than chrome magnesite refractories Are not at all resistant to the corrosive action of iron oxide Have very low (50 kg/cm² ) cold crushing strength (C.C.S.), and can not be used in metalcase form Have very low thermal co-efficient of expansion Have better spalling resistance than chrome magnesite refractories ANSWER DOWNLOAD EXAMIANS APP
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