Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid channeling Reduce liquid hold up Minimise the overall pressure drop Avoid flooding Avoid channeling Reduce liquid hold up Minimise the overall pressure drop Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D0.5 D2 1/D D D0.5 D2 1/D D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Constant boiling mixture Heat sensitive materials Mixture with very high relative volatility High boiling mixture Constant boiling mixture Heat sensitive materials Mixture with very high relative volatility High boiling mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The specific humidity decreases The relative humidity increases The relative humidity decreases The partial pressure of water vapour increases The specific humidity decreases The relative humidity increases The relative humidity decreases The partial pressure of water vapour increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during evaporative cooling process with recirculated water supply? Relative humidity Wet bulb temperature None of these Partial pressure of vapour Relative humidity Wet bulb temperature None of these Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what percentage (by volume) of alcohol composition, it forms an azeotrope with water? 95 91.5 99 90 95 91.5 99 90 ANSWER DOWNLOAD EXAMIANS APP