Refractory Technology Which is an acidic refractory? Chrome magnesite Dolomite Fireclay Magnesite Chrome magnesite Dolomite Fireclay Magnesite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pyrometric cone equivalent (PCE) value (Segar cone) of 'superduty refractories' is more than 33 which corresponds to a temperature of __________ °C. 1630 1520 1730 1670 1630 1520 1730 1670 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology An indication of degree of firing in silica brick is its None of these Fusion point RUL Specific gravity None of these Fusion point RUL Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog addition in fireclay during brick manufacture is done to Enhance the strength of fired refractories Reduce its shrinkage on heating Impart greater spalling resistance All of these Enhance the strength of fired refractories Reduce its shrinkage on heating Impart greater spalling resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Bottom of basic open hearth furnace are constructed of Semi-silica bricks Porous fireclay bricks Silicon carbide bricks Dead burnt magnesite ramming mass Semi-silica bricks Porous fireclay bricks Silicon carbide bricks Dead burnt magnesite ramming mass ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Semi-silica bricks compared to silica bricks have Both A & B Less fusion point Better spalling resistance Neither A nor B Both A & B Less fusion point Better spalling resistance Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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