Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the 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 Liquid flow increases while the vapor flow decreases for a system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? Flow rate of the entering gas Terminal concentrations of gas stream None of these Composition of the entering liquid Flow rate of the entering gas Terminal concentrations of gas stream None of these Composition of the entering liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of Hâ‚‚/ky.Cz is around 0.6 0.24 1 0.72 0.6 0.24 1 0.72 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fractional solvent extraction Employs two solvents Results in low interfacial tension Employs only one solvent None of the listed here Employs two solvents Results in low interfacial tension Employs only one solvent None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Minimum reflux ratio No reflux Total reflux Zero reflux ratio Minimum reflux ratio No reflux Total reflux Zero reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high ANSWER DOWNLOAD EXAMIANS APP
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