Refractory Technology Which is required in an insulating refractory? Both A & B High thermal conductivity Low porosity Neither A nor B Both A & B High thermal conductivity Low porosity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Carbon black Silica High alumina refractory Fireclay Carbon black Silica High alumina refractory Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Zirconia Magnesite Fireclay Silica Zirconia Magnesite Fireclay Silica ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not a high alumina refractory? Dolomite Bauxite Mullite Corrundum Dolomite Bauxite Mullite Corrundum ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite chrome bricks are used in the Reheating furnaces Soaking pits Roof lining of basic open hearth & other basic furnaces All of these Reheating furnaces Soaking pits Roof lining of basic open hearth & other basic furnaces All of these ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent. 70 80 90 55 70 80 90 55 ANSWER DOWNLOAD EXAMIANS APP
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