Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Same as Always lower than Dependent on the system; can be either lower or higher than Always higher than Same as Always lower than Dependent on the system; can be either lower or higher than Always higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.122 0.048 0.152 0.079 0.122 0.048 0.152 0.079 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For absorbing a sparingly soluble gas in a liquid Liquid side mass transfer co-efficient should be decreased Liquid side mass transfer co-efficient should be increased Gas side mass transfer co-efficient should be increased Mass transfer co-efficient must be kept constant Liquid side mass transfer co-efficient should be decreased Liquid side mass transfer co-efficient should be increased Gas side mass transfer co-efficient should be increased Mass transfer co-efficient must be kept constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as D1.5 1/D D D0.5 D1.5 1/D D D0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is L/G Always < 1 G/L None of these L/G Always < 1 G/L None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at room temperature None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature ANSWER DOWNLOAD EXAMIANS APP
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