Mass Transfer To get high tray efficiency Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which is the controlling factor for a drum drier? Neither A nor B Both A & B Heat transfer Diffusion Neither A nor B Both A & B Heat transfer Diffusion ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Reduces pressure drop Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Reduces pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Under conditions of flooding in packed tower, the gas pressure drop Is maximum Remains constant Decreases rapidly Increases rapidly Is maximum Remains constant Decreases rapidly Increases rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Temperature is 100°C Temperature is higher than the boiling point of either component Product must be immiscible with water Temperature is more than 100° C Temperature is 100°C Temperature is higher than the boiling point of either component Product must be immiscible with water Temperature is more than 100° C ANSWER DOWNLOAD EXAMIANS APP
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