Refractory Technology Test piece for determination of RUL of a refractory is heated in a/an Oxidising atmosphere Reducing atmosphere Neutral atmosphere Electric furnace Oxidising atmosphere Reducing atmosphere Neutral atmosphere Electric furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology SiO₂ percentage in firebrick is about 35-40 >94 55-60 80-85 35-40 >94 55-60 80-85 ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Fireclay bricks High alumina bricks Tar dolomite bricks Mullite bricks Fireclay bricks High alumina bricks Tar dolomite bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Highest melting (m.p = 3070°C) oxide refractory is Magnesia Thoria Zirconia Alumina Magnesia Thoria Zirconia Alumina ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Carbon refractories are exclusively used in the Walls of coke oven Side wall of soaking pits Regenerators of coke oven Hearth of blast furnace Walls of coke oven Side wall of soaking pits Regenerators of coke oven Hearth of blast furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is the measure of the strength of refractory under the combined effect of temperature & load. Porosity Thermal conductivity Specific gravity RUL Porosity Thermal conductivity Specific gravity RUL ANSWER DOWNLOAD EXAMIANS APP
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