Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Proportional to √D D/a D/2a Dependent on the Reynolds number Proportional to √D D/a D/2a Dependent on the Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during sensible cooling process ? Specific humidity None of the listed here Specific humidity & Partial pressure of vapour Partial pressure of vapour Specific humidity None of the listed here Specific humidity & Partial pressure of vapour Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Milk is dried usually in a __________ dryer. Freeze Tray Rotary Spray Freeze Tray Rotary Spray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Remain unchanged Decrease Can either increase or decrease, depends on the system Increase Remain unchanged Decrease Can either increase or decrease, depends on the system Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Is independent of temperature Increases with temperature Decreases with temperature May increase or decrease with temperature Is independent of temperature Increases with temperature Decreases with temperature May increase or decrease with temperature ANSWER DOWNLOAD EXAMIANS APP