Refractory Technology Chromite refractories are used in Neither A nor B Bottom of soaking pits Both A & B Between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other Neither A nor B Bottom of soaking pits 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 Fusion point of an acidic refractory material is Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides Reduced by the addition of basic oxides Not affected by the addition of basic oxides Not affected by the addition of basic oxides Increased by the addition of basic oxides ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology The main raw material for manufacture of silicon carbide refractories is Corrundum Periclase Bauxite Carborundum Corrundum Periclase Bauxite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Ferromagnetic ceramic material is not used in the Thermal insulation Magnetic switches Transformers Television sets Thermal insulation Magnetic switches Transformers Television sets ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology High alumina refractories are used in the Glass melting furnaces All of these Electric arc furnace roof Dome of blast furnace stoves Glass melting furnaces All of these Electric arc furnace roof Dome of blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Silica Fireclay Magnesite Zirconia Silica Fireclay Magnesite Zirconia ANSWER DOWNLOAD EXAMIANS APP
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