Refractory Technology Insulating refractories should have Neither A nor B Both A & B High porosity Low thermal conductivity Neither A nor B Both A & B High porosity Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 24 58 8 44 24 58 8 44 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Presence of impurities like iron & alkali Chemical composition All of these Physical structure Presence of impurities like iron & alkali Chemical composition All of these Physical structure ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) of a refractory is the measure of its Resistance to carbon monoxide attack Fusion point Spalling resistance Resistance to slag penetration Resistance to carbon monoxide attack Fusion point Spalling resistance Resistance to slag penetration ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively. 80 and 20 50 and 50 20 and 80 60 and 40 80 and 20 50 and 50 20 and 80 60 and 40 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology PCE value (Segar cone) of superduty refractories is more than 33, which is equivalent to a temperature of __________ °C. 1520 1730 1630 1670 1520 1730 1630 1670 ANSWER DOWNLOAD EXAMIANS APP
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