Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer (NSh/NRe.NSc) is termed in mass transfer operation as the Momentum diffusivity Stanton number Thermal diffusivity Peclet number Momentum diffusivity Stanton number Thermal diffusivity Peclet number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the vapour flow rate Use of increased tray spacing Increasing the liquid flow rate Using higher reflux ratio Increasing the vapour flow rate Use of increased tray spacing Increasing the liquid flow rate Using higher reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At constant pressure, with increase of temperature, the dew point will Increase/decrease ; depends on the temperature Remain unchanged Increase Decrease Increase/decrease ; depends on the temperature Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Is independent of temperature May increase or decrease with temperature Decreases with temperature Increases with temperature Is independent of temperature May increase or decrease with temperature Decreases with temperature Increases with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. Bubble Spray Tray Packed Bubble Spray Tray Packed ANSWER DOWNLOAD EXAMIANS APP
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