Mass Transfer Leaching of coffee from coffee beans is done by Dilute H₂SO₄ (hot) Hot water Hexane Lime water Dilute H₂SO₄ (hot) Hot water Hexane Lime water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Interface Gas phase All of these Liquid phase Interface Gas phase All of these Liquid phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature. Dew point Wet-bulb Adiabatic saturation Dry-bulb Dew point Wet-bulb Adiabatic saturation Dry-bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Decreases May increase or decrease ; depends on the type of adsorbate Increases Remains unchanged Decreases May increase or decrease ; depends on the type of adsorbate Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower All of these Is undesirable Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Is undesirable Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the Pressure increases gradually from bottom to the top of the column None of these Driving force for the vapour flow is the pressure drop Liquids are not always at their bubble points Pressure increases gradually from bottom to the top of the column None of these Driving force for the vapour flow is the pressure drop Liquids are not always at their bubble points ANSWER DOWNLOAD EXAMIANS APP