Refractory Technology Silica bricks have low spalling resistance below 600°C, due to its High co-efficient of expansion upto this temperature Very high thermal conductivity High thermal diffusivity Low refractoriness High co-efficient of expansion upto this temperature Very high thermal conductivity High thermal diffusivity Low refractoriness 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
Refractory Technology Which is not a high alumina refractory? Corrundum Bauxite Mullite Dolomite Corrundum Bauxite Mullite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Presence of MgO in alumino-silicate refractories __________ its refractoriness. Does not affect Lowers Either A or B; depends on its quantity Increases Does not affect Lowers Either A or B; depends on its quantity Increases ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology silicon carbide refractories have very low None of these Thermal conductivity Refractoriness (< 1700°C) Resistance to thermal shock None of these Thermal conductivity Refractoriness (< 1700°C) Resistance to thermal shock ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which furnace consumes maximum refractory annually in an integrated steel plant? Soaking pit L.D. converter Coke ovens Blastfurnace Soaking pit L.D. converter Coke ovens Blastfurnace ANSWER DOWNLOAD EXAMIANS APP
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