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. 55 80 90 70 55 80 90 70 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Hot blast main (carrying air at 1000°C) in blast furnace are lined with __________ bricks. Zirconia Magnesite Silica Fireclay Zirconia Magnesite Silica Fireclay ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which one contains minimum percentage of SiO₂? Firebrick Sillimanite Semi-silica Aluminous firebrick Firebrick Sillimanite Semi-silica Aluminous firebrick ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Reducing atmosphere Oxidising atmosphere Neutral atmosphere Electric furnace Reducing atmosphere Oxidising atmosphere Neutral atmosphere Electric furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which furnace consumes maximum refractory annually in an integrated steel plant? Blastfurnace L.D. converter Soaking pit Coke ovens Blastfurnace L.D. converter Soaking pit Coke ovens ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Porosity is induced in insulating refractories by adding All of these Ammonium chloride/sulphate Powdered naphthalene Calcium phosphate All of these Ammonium chloride/sulphate Powdered naphthalene Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
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