Chemical Engineering Basics The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is Patenting Bright annealing Full annealing None of these Patenting Bright annealing Full annealing None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is 2CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ 2CaO . SiO₂ 3CaO . Al2O₃ 5CaO . 3 Al2O₃ 3CaO . SiO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Increases & increases Decreases & decreases Decreases & increases Increases & decreases Increases & increases Decreases & decreases Decreases & increases Increases & decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ iron is produced by the annealing of white cast iron. Malleable Nodular Ductile Grey Malleable Nodular Ductile Grey ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Jet of water at high pressure Blast of air Rain of molten lead Mixture of water and air Jet of water at high pressure Blast of air Rain of molten lead Mixture of water and air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics At the point of boundary layer separation in fluid flow, the Shear stress is zero Velocity gradient is flat Shear stress is maximum Density variation is maximum Shear stress is zero Velocity gradient is flat Shear stress is maximum Density variation is maximum ANSWER DOWNLOAD EXAMIANS APP