Mass Transfer If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is 1 < 1 > 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Solvent flow rate should be very low Amount of solvent required will be minimum No separation will occur Separation of the constituents is the most effective Solvent flow rate should be very low Amount of solvent required will be minimum No separation will occur Separation of the constituents is the most effective ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is G/L L/G Always < 1 None of these G/L L/G Always < 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to foaming Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to foaming Increases due to liquid entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer. Tunnel Vacuum Rotary Tray Tunnel Vacuum Rotary Tray ANSWER DOWNLOAD EXAMIANS APP
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