Mass Transfer During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the Gas film Liquid film None of these Liquid-gas interface Gas film Liquid film None of these Liquid-gas interface ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during sensible cooling process ? Specific humidity Specific humidity & Partial pressure of vapour None of the listed here Partial pressure of vapour Specific humidity Specific humidity & Partial pressure of vapour None of the listed here Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates. Pure component is represented by the apex Ternery mixture is represented by the sides Binary mixture is represented by any point inside Binary mixture is represented by the apex Pure component is represented by the apex Ternery mixture is represented by the sides Binary mixture is represented by any point inside Binary mixture is represented by the apex ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Temperature of the solid Relative humidity of outlet air Humidity of inlet air Flow rate of inlet air Temperature of the solid Relative humidity of outlet air Humidity of inlet air Flow rate of inlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Grid tray tower Bubble cap tower Wetted wall tower Perforated tray tower Grid tray tower Bubble cap tower Wetted wall tower Perforated tray tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp = M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.) Kc = Kp . RT = Km . RT/p Kc = Kp/RT = Km . RT/P Kc = Kp = Km None of these Kc = Kp . RT = Km . RT/p Kc = Kp/RT = Km . RT/P Kc = Kp = Km None of these ANSWER DOWNLOAD EXAMIANS APP