Refractory Technology Grog addition in fireclay during brick manufacture is done to Enhance the strength of fired refractories Impart greater spalling resistance All of these Reduce its shrinkage on heating Enhance the strength of fired refractories Impart greater spalling resistance All of these Reduce its shrinkage on heating ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Periclase refractory contains mainly CaO Al2O₃ SiO₂ MgO CaO Al2O₃ SiO₂ MgO ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Grog Is a non-plastic material Contains both alumina and silica All of these Iscrushed firebrick Is a non-plastic material Contains both alumina and silica All of these Iscrushed firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Fireclay bricks is not used for lining the Gas producer Bottom of hot metal mixer Cupola Roof of open hearth furnace Gas producer Bottom of hot metal mixer Cupola Roof of open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C. 770 570 70 270 770 570 70 270 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rotary kilns meant for calcination of limestone are lined with chrome magnesite in __________ zone. Preheating Cooling Burning All of these Preheating Cooling Burning All of these ANSWER DOWNLOAD EXAMIANS APP
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