Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The partial pressure of water vapour increases The relative humidity increases The specific humidity decreases The relative humidity decreases The partial pressure of water vapour increases The relative humidity increases The specific humidity decreases The relative humidity decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Packed towers Plate towers Wetted wall columns Spray towers Packed towers Plate towers Wetted wall columns Spray towers ANSWER DOWNLOAD EXAMIANS APP
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 which of the following unit operations, the selectivity is an important parameter? Absorption Solvent extraction Distillation None of these Absorption Solvent extraction Distillation None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusion co-efficient increases with increase in the Temperature Pressure None of the listed here Both Pressure & Temperature Temperature Pressure None of the listed here Both Pressure & Temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Solids are drained to the same extent Both A & B Neither A nor B Ratio of the insoluble to solution is constant Solids are drained to the same extent Both A & B Neither A nor B Ratio of the insoluble to solution is constant ANSWER DOWNLOAD EXAMIANS APP
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