Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The partial pressure of water vapour increases The specific humidity decreases The relative humidity decreases The relative humidity increases The partial pressure of water vapour increases The specific humidity decreases The relative humidity decreases The relative humidity increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat load in a cooling tower Means the amount of heat thrown away (KCal/hr.) by the cooling tower Is equal to the number of kg, of water circulated times the cooling range Both A & B Neither A nor B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Is equal to the number of kg, of water circulated times the cooling range Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Removal of __________ exemplifies an adsorption unit operation. Uranium from its ore Ammonia from coke oven gas Water from petrol None of the listed here Uranium from its ore Ammonia from coke oven gas Water from petrol None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Both A & B Neither A nor B Selectivity Distribution co-efficient Both A & B Neither A nor B Selectivity Distribution co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Perforated tray Packed Wetted wall Bubble cap Perforated tray Packed Wetted wall Bubble cap ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-9 cm/sec 10-4 cm²/seC₂ 10-1 cm²/sec 10-3 sec/cm 10-9 cm/sec 10-4 cm²/seC₂ 10-1 cm²/sec 10-3 sec/cm ANSWER DOWNLOAD EXAMIANS APP