Refractory Technology 'Spinel', a refractory mineral is chemically represented as MgAl2O₃ MgSO₄ MgAl2O₃.2H₂O MgAl2O₄ MgAl2O₃ MgSO₄ MgAl2O₃.2H₂O MgAl2O₄ ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an acidic refractory? Fireclay Silica Carbon black High alumina refractory Fireclay Silica Carbon black High alumina refractory ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Except __________ , all other refractories are bad conductors of electricity (i.e, have low electrical conductivity). Chromite Carborundum Fireclay Graphite Chromite Carborundum Fireclay Graphite ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology __________ is not a single oxiderefractory. Silicon carbide Magnesia None of these Zirconia Silicon carbide Magnesia None of these Zirconia ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology To resist spalling tendency, a refractory should have All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity All of these Low specific heat Low thermal co-efficient of expansion Greater diffusivity ANSWER DOWNLOAD EXAMIANS APP
Refractory Technology Which is not an alumino-silicate refractory? Tar dolomite bricks High alumina bricks Fireclay bricks Mullite bricks Tar dolomite bricks High alumina bricks Fireclay bricks Mullite bricks ANSWER DOWNLOAD EXAMIANS APP