Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Allowable gas and liquid velocities Feed composition Allowable liquid velocity Allowable gas velocity Allowable gas and liquid velocities Feed composition Allowable liquid velocity Allowable gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient varies as DAB0.5, according to the __________ theory. Surface renewal None of these Penetration Film Surface renewal None of these Penetration Film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the Reflux ratio will be maximum Concentration of liquid and vapour leaving a plate will be same Number of plates required will be maximum None of these Reflux ratio will be maximum Concentration of liquid and vapour leaving a plate will be same Number of plates required will be maximum None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.31 0.215 0.017 0.107 0.31 0.215 0.017 0.107 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 1 to 5 5 to 10 > 10 1 1 to 5 5 to 10 > 10 ANSWER DOWNLOAD EXAMIANS APP