Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 10-5 to 10-6 0.1 0.01 > 1 10-5 to 10-6 0.1 0.01 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Leaching of coffee from coffee beans is done by Hexane Hot water Lime water Dilute H₂SO₄ (hot) Hexane Hot water Lime water Dilute H₂SO₄ (hot) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the feed to a distillation column is a saturated liquid, slope of the feed line is Infinity None of these Unity Zero Infinity None of these Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The humid volume may be increased by increasing the Temperature at constant humidity Humidity at constant temperature Neither A nor B Both A & B Temperature at constant humidity Humidity at constant temperature Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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