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 Azeotropic distillation is employed to separate Mixture with very high relative volatility High boiling mixture Constant boiling mixture Heat sensitive materials Mixture with very high relative volatility High boiling mixture Constant boiling mixture Heat sensitive materials ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases does not depend upon the Pressure Nature of the components None of the listed here Temperature Pressure Nature of the components None of the listed here Temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Total Maximum permissible Operating Minimum Total Maximum permissible Operating Minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the amount of the steam used in steam distillation is increased, the temperature of distillation Depends on relative volatility Remains unchanged Decreases Increases Depends on relative volatility Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes ANSWER DOWNLOAD EXAMIANS APP
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