Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer (NSh/NRe.NSc) is termed in mass transfer operation as the Stanton number Peclet number Momentum diffusivity Thermal diffusivity Stanton number Peclet number Momentum diffusivity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is Accompanied by evolution of heat Both B & C A reversible phenomenon An irreversible phenomenon Accompanied by evolution of heat Both B & C A reversible phenomenon An irreversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Increases due to foaming Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to foaming Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P >>P P < P P P = P P >>P P < P P P = P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Decreases with temperature Is independent of temperature May increase or decrease with temperature Increases with temperature Decreases with temperature Is independent of temperature May increase or decrease with temperature Increases with temperature ANSWER DOWNLOAD EXAMIANS APP
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