Refractory Technology Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material? Lime Water Plaster of paris Aluminium phosphate Lime Water Plaster of paris Aluminium phosphate ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Magnesite bricks are used in those parts of furnaces, which are Subjected to high load None of these Required to resist corrosive basic slag Subjected to temperature fluctuation Subjected to high load None of these Required to resist corrosive basic slag Subjected to temperature fluctuation ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Rate of slag attack on refractories increases with rise in temperature due to the Decreased viscosity of slag None of these Increased thermal conductivity of brick Oxidising condition in the furnace Decreased viscosity of slag None of these Increased thermal conductivity of brick Oxidising condition in the furnace ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Vacuum steel degassing units are lined with Low duty firebricks Silica bricks Graphite blocks High alumina bricks Low duty firebricks Silica bricks Graphite blocks High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which of the following has the lowest electrical resistivity? Alumina Fireclay Graphite Zircon Alumina Fireclay Graphite Zircon ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is a neutral refractory? Silica Graphite Magnesite chrome Magnesia Silica Graphite Magnesite chrome Magnesia ANSWER DOWNLOAD EXAMIANS APP
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