Mass Transfer Blowdown in a cooling tower Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively >1 and ≈ 1 1 and 0 < 1 and ≈ 1 0 and ≈ 1 >1 and ≈ 1 1 and 0 < 1 and ≈ 1 0 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Dependent on the Reynolds number D/2a D/a Proportional to √D Dependent on the Reynolds number D/2a D/a Proportional to √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied by heat evolution results in None of these Decrease in equilibrium solubility Increase in equilibrium solubility Increased capacity of the absorber None of these Decrease in equilibrium solubility Increase in equilibrium solubility Increased capacity of the absorber ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reboiler is considered as one theoretical plate, because Vapour is recycled to the column None of these Reboiler itself contains one plate Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Vapour is recycled to the column None of these Reboiler itself contains one plate Of the assumption that vapour and liquid leaving the reboiler are in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Neither A nor B Height < 6 Diameter < 0.6 Both A & B Neither A nor B Height < 6 Diameter < 0.6 Both A & B ANSWER DOWNLOAD EXAMIANS APP
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