Refractory Technology __________ bricks are used in the burning zone of a cement rotary kiln. Fireclay Silicon carbide Thoria High alumina Fireclay Silicon carbide Thoria High alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Thoria Zirconia Magnesia Alumina Thoria Zirconia Magnesia Alumina 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
Refractory Technology Which is not an alumino-silicate refractory? Mullite bricks Fireclay bricks High alumina bricks Tar dolomite bricks Mullite bricks Fireclay bricks High alumina bricks Tar dolomite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon bricks are not used in the lining of the Combustion chamber of blast furnace stoves Blast furnace hearth Highly chemical resistant equipments Electric furnaces Combustion chamber of blast furnace stoves Blast furnace hearth Highly chemical resistant equipments Electric furnaces ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold. High density Low porosity High thermal conductivity Non-wetting characteristics High density Low porosity High thermal conductivity Non-wetting characteristics ANSWER DOWNLOAD EXAMIANS APP
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