Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Range is 15°F Neither A nor B Both A & B Approach is 10°F Range is 15°F Neither A nor B Both A & B Approach is 10°F ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Decreases linearly Decreases Remains unchanged Increases Decreases linearly Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? Low viscosity High gas solubility None of these Low vapor pressure Low viscosity High gas solubility None of these Low vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Pressure rises Pressure falls Temperature rises Temperature falls Pressure rises Pressure falls Temperature rises Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An example of elutioh is Recovery of vegetable oils from seeds Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Separation of sugar from sugar beet by hot water Dissolution of tannin out of tree barks by water Recovery of vegetable oils from seeds Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Separation of sugar from sugar beet by hot water Dissolution of tannin out of tree barks by water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases Increases Decreases linearly Remains same Decreases Increases Decreases linearly Remains same ANSWER DOWNLOAD EXAMIANS APP
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