Mass Transfer (NSh/NRe.NSc) is termed in mass transfer operation as the Momentum diffusivity Peclet number Thermal diffusivity Stanton number Momentum diffusivity Peclet number Thermal diffusivity Stanton number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in Temperature None of these Vapour pressure of either component Total pressure Temperature None of these Vapour pressure of either component Total pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? Dehumidification with dry bulb temperature remaining constant None of these Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature Dehumidification with dry bulb temperature remaining constant None of these Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Does not vary Decreases Increases May increase on decrease, depends on the system Does not vary Decreases Increases May increase on decrease, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory. Surface renewal Penetration None of these Film Surface renewal Penetration None of these Film ANSWER DOWNLOAD EXAMIANS APP
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 Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases Total cost first decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
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