Refractory Technology Fireclay bricks are not used in the Combustion chamber of B.F. stoves Beehive coke oven Coke oven regenerators By-product coke oven walls Combustion chamber of B.F. stoves Beehive coke oven Coke oven regenerators By-product coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Decreased viscosity of slag Oxidising condition in the furnace None of these Increased thermal conductivity of brick Decreased viscosity of slag Oxidising condition in the furnace None of these Increased thermal conductivity of brick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Natural silica Transforms to other allotropic forms i.e tridymite and cristoballite involving very high volume changes Mainly contains quartz All of these Is not stable at high temperature Transforms to other allotropic forms i.e tridymite and cristoballite involving very high volume changes Mainly contains quartz All of these Is not stable at high temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling tendency of refractories is reduced by increasing its Thermal conductivity Strength Porosity Specific gravity Thermal conductivity Strength Porosity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Alumina-graphite bricks are used for lining the Both A & B Continuous casting systems Neither A nor B Slide gate in teeming laddies Both A & B Continuous casting systems Neither A nor B Slide gate in teeming laddies ANSWER DOWNLOAD EXAMIANS APP
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