Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Porosity Thermal conductivity RUL Specific gravity Porosity Thermal conductivity RUL Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractory bricks having lower porosity have Greater strength High insulating properties Low heat capacity Low thermal conductivity Greater strength High insulating properties Low heat capacity Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called Refractoriness None of these Refractoriness under load (RUL) Spalling resistance Refractoriness None of these Refractoriness under load (RUL) Spalling resistance ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not a neutral refractory? Chromite Graphite Magnesite Silicon carbide Chromite Graphite Magnesite Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which brick undergoes maximum shrinkage on drying? Magnesite bricks Tar bonded dolomite bricks Fireclay bricks Chromite bricks Magnesite bricks Tar bonded dolomite bricks Fireclay bricks Chromite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Silica refractories All of these Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature All of these Can not be used in the dome of hot blast stoves Have lower thermal conductivity than fireclay bricks Crack when subjected to sudden change of temperature ANSWER DOWNLOAD EXAMIANS APP
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