Refractory Technology Roof of a basic open hearth furnace is lined with __________ bricks. Fireclay Dolomite Magnesite Silica Fireclay Dolomite Magnesite Silica 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 High alumina refractory compared to fireclay bricks have Low refractoriness Less load bearing capacity Less resistance to slag attack High resistance to thermal shock and creep Low refractoriness Less load bearing capacity Less resistance to slag attack High resistance to thermal shock and creep ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Neutral atmosphere Oxidising atmosphere Reducing atmosphere Electric furnace Neutral atmosphere Oxidising atmosphere Reducing atmosphere Electric furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Zirconia Magnesia None of these Silicon carbide Zirconia Magnesia None of these Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Cold crushing strength of ordinary fireclay brick is about 950 kg/cm² . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm² . 150 450 250 65 150 450 250 65 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS