Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid flooding Avoid channeling Minimise the overall pressure drop Reduce liquid hold up Avoid flooding Avoid channeling Minimise the overall pressure drop Reduce liquid hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by Increasing the air velocity and area of exposed wet surface All of the listed here Reducing the barometric pressure Reducing the humidity of the air Increasing the air velocity and area of exposed wet surface All of the listed here Reducing the barometric pressure Reducing the humidity of the air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be At ground level 5 metres above ground 2 metres above the ground 10 metres above ground At ground level 5 metres above ground 2 metres above the ground 10 metres above ground ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Always higher than Dependent on the system; can be either lower or higher than Same as Always lower than Always higher than Dependent on the system; can be either lower or higher than Same as Always lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Is independent of pressure Is equal to the volumetric diffusivity Varies directly as the pressure Varies inversely as the pressure Is independent of pressure Is equal to the volumetric diffusivity Varies directly as the pressure Varies inversely as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Remain unaffected Increase Decrease or increase ; depends on the type of liquid Decrease Remain unaffected Increase Decrease or increase ; depends on the type of liquid Decrease ANSWER DOWNLOAD EXAMIANS APP
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