Refractory Technology Spalling tendency of refractories is reduced by increasing its Strength Porosity Thermal conductivity Specific gravity Strength Porosity Thermal conductivity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except Electrical conductivity Cost Fusion point Thermal conductivity Electrical conductivity Cost Fusion point Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ °C. 1730 1670 1630 1520 1730 1670 1630 1520 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories have very high Thermal conductivity Wetting characteristics Refractoriness Both B and C Thermal conductivity Wetting characteristics Refractoriness Both B and C ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Permeability of bricks is a measure of the Rate at which a fluid will pass through the pores Expansion during heating Melting point Refractoriness Rate at which a fluid will pass through the pores Expansion during heating Melting point Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High density refractory bricks have lower Spalling resistance Fusion point Thermal conductivity Slag penetration resistance Spalling resistance Fusion point Thermal conductivity Slag penetration resistance ANSWER DOWNLOAD EXAMIANS APP
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