Refractory Technology Chrome magnesite is not used in the Wear out lining of steel melting furnaces Inner lining of L.D. converter Aluminium melting furnaces All of these Wear out lining of steel melting furnaces Inner lining of L.D. converter Aluminium melting furnaces All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology RUL of refractories depends on the Physical structure All of these Presence of impurities like iron & alkali Chemical composition Physical structure All of these Presence of impurities like iron & alkali Chemical composition ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding Ammonium chloride/sulphate Calcium phosphate Powdered naphthalene All of these Ammonium chloride/sulphate Calcium phosphate Powdered naphthalene All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology In panel test for spalling resistance, the average face temperature of panel assembly is maintained at __________ °C for 24 hours. 700 2000 1000 1600 700 2000 1000 1600 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Glass melting furnaces Electric arc furnace roof Dome of blast furnace stoves All of these Glass melting furnaces Electric arc furnace roof Dome of blast furnace stoves All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm² ) is __________ °C. 500 1000 >1350 >2000 500 1000 >1350 >2000 ANSWER DOWNLOAD EXAMIANS APP
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