Mass Transfer Unit of molal diffusivity is Cm²/sec gm . mole Gm moles/cm². sec Gm moles/cm² . sec Gm moles/cm. sec Cm²/sec gm . mole Gm moles/cm². sec Gm moles/cm² . sec Gm moles/cm. sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Provides poorer contact between the fluids Both A & B Gives higher pressure drop Gives lower pressure drop Provides poorer contact between the fluids Both A & B Gives higher pressure drop Gives lower pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at constant temperature __________ the total pressure. Increases with increase in Decreases with increase in None of these Is independent of Increases with increase in Decreases with increase in None of these Is independent of ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The relative humidity decreases The partial pressure of water vapour increases The specific humidity decreases The relative humidity increases The relative humidity decreases The partial pressure of water vapour increases The specific humidity decreases The relative humidity increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Decreases Remains unchanged May increase or decrease ; depends on the type of adsorbate Increases Decreases Remains unchanged May increase or decrease ; depends on the type of adsorbate Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. Dry bulb Wet bulb Dew point None of these Dry bulb Wet bulb Dew point None of these ANSWER DOWNLOAD EXAMIANS APP
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