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 Fireclay bricks are used in the All of these Flues Chimney linings Furnaces allowed to cool frequently All of these Flues Chimney linings Furnaces allowed to cool frequently ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum water percentage in refractory mix meant for hand moulding may be as high as __________ percent. 14-20 5-7 7-12 2-3 14-20 5-7 7-12 2-3 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Presence of impurities like iron & alkali All of these Physical structure Chemical composition Presence of impurities like iron & alkali All of these Physical structure Chemical composition ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Chromite refractories are used in Bottom of soaking pits Neither A nor B Both A & B Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Bottom of soaking pits Neither A nor B Both A & B Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks have poor resistance to attack by __________ slag. None of these Basic Lime Acid None of these Basic Lime Acid ANSWER DOWNLOAD EXAMIANS APP
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