Mass Transfer The cooling effect in a cooling tower can be speeded up by Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air Reducing the barometric pressure All of the listed here Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air Reducing the barometric pressure All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Bubble-cap column Sieve-plate column Packed column (stacked) Randomly packed column Bubble-cap column Sieve-plate column Packed column (stacked) Randomly packed column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase. Both A & B Gas Neither A nor B Liquid Both A & B Gas Neither A nor B Liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a single component absorber, the operating line is straight only when plotted in term of __________ units. None of these Mole fraction Mole ratio Partial pressure None of these Mole fraction Mole ratio Partial pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is 1 0.5 < 1 > 1 1 0.5 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Liquid side Gas side Interfacial Both liquid and gas side Liquid side Gas side Interfacial Both liquid and gas side ANSWER DOWNLOAD EXAMIANS APP
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