Mass Transfer The unit of volumetric diffusivity is Cm²/sec Cm/sec Cm³/sec Cm²/seC₂ Cm²/sec Cm/sec Cm³/sec Cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dimension of mass diffusivity is the same as that of Kinematic viscosity Pressure Dynamic viscosity Surface tension Kinematic viscosity Pressure Dynamic viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of Momentum diffusivity to thermal diffusivity None of these Mass diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity None of these Mass diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? None of these Relative humidity Partial pressure of vapour Wet bulb temperature None of these Relative humidity Partial pressure of vapour Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Liquid side Both liquid and gas side Interfacial Gas side Liquid side Both liquid and gas side Interfacial Gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Decrease both 'G' and 'S' Increase both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' Decrease both 'G' and 'S' Increase both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' ANSWER DOWNLOAD EXAMIANS APP
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