Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Remain unchanged Decrease Increase Can either increase or decrease, depends on the system Remain unchanged Decrease Increase Can either increase or decrease, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Selectivity Both A & B Distribution co-efficient Neither A nor B Selectivity Both A & B Distribution co-efficient Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) 1/√P 1/P P √P 1/√P 1/P P √P 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 Zero reflux ratio Total reflux No reflux Minimum reflux ratio Zero reflux ratio Total reflux No reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Removal of objectionable odour and impurities from industrial gases Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas Removal of objectionable odour and impurities from industrial gases Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. < 25 25 -25 > 25 < 25 25 -25 > 25 ANSWER DOWNLOAD EXAMIANS APP
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