Refractory Technology An ideal refractory should have high None of these Fusion point Shrinkage ability Spalling rate None of these Fusion point Shrinkage ability Spalling rate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Thermal diffusivity of a refractory brick is high, when its __________ is high. Density Thermal conductivity None of these Specific heat Density Thermal conductivity None of these Specific heat ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Porosity RUL Thermal conductivity Specific gravity Porosity RUL Thermal conductivity Specific gravity 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 Refractoriness Melting point Rate at which a fluid will pass through the pores Expansion during heating Refractoriness Melting point ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Mixing of ground refractory material and water is done in a __________ mill. Ball Pug Rod Tube Ball Pug Rod Tube ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories Have extremely low thermal & electrical conductivities Do not burn/oxidise, when exposed to air on heating Do not resist temperature fluctuations Are not attacked by slags, as they are not wetted by melts Have extremely low thermal & electrical conductivities Do not burn/oxidise, when exposed to air on heating Do not resist temperature fluctuations Are not attacked by slags, as they are not wetted by melts ANSWER DOWNLOAD EXAMIANS APP
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