Refractory Technology With increase in the alumina content, the refractoriness of high alumina refractories Increases Decreases Remains same May increase or decrease Increases Decreases Remains same May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following is not an acidic refractory? Magnesia bricks Fireclay bricks Silica bricks Bauxite bricks Magnesia bricks Fireclay bricks Silica bricks Bauxite bricks 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 Carbon refractories have very high Thermal conductivity Wetting characteristics Both B and C Refractoriness Thermal conductivity Wetting characteristics Both B and C Refractoriness ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks are used in those parts of furnaces, which are Subjected to high load Required to resist corrosive basic slag None of these Subjected to temperature fluctuation Subjected to high load Required to resist corrosive basic slag None of these Subjected to temperature fluctuation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology 'Super refractories' are made from pure Borides Nitrides Carbides Oxides Borides Nitrides Carbides Oxides ANSWER DOWNLOAD EXAMIANS APP
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