Refractory Technology Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to CO attack Thermal spalling Slag attack Fusion under load CO attack Thermal spalling Slag attack Fusion under load ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Fireclay bricks Magnesia bricks Bauxite bricks Silica bricks Fireclay bricks Magnesia bricks Bauxite bricks Silica bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Zirconia refractories are not used in Making sheaths for thermocouple Lining high temperature ceramic kilns High frequency induction furnaces in the form of inductors Furnaces subjected to fluctuating temperature Making sheaths for thermocouple Lining high temperature ceramic kilns High frequency induction furnaces in the form of inductors Furnaces subjected to fluctuating temperature ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Maximum apparent porosity of magnesite bricks is about __________ percent. 44 58 8 24 44 58 8 24 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the All of these Presence of impurities like iron & alkali Physical structure Chemical composition All of these Presence of impurities like iron & alkali Physical structure Chemical composition ANSWER DOWNLOAD EXAMIANS APP
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