Mass Transfer At a fixed total pressure, humidity depends only on the Density of the vapour Partial pressure of vapour in the mixture None of these Heat capacity of the vapour Density of the vapour Partial pressure of vapour in the mixture None of these Heat capacity of the vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-4 cm²/seC₂ 10-9 cm/sec 10-3 sec/cm 10-1 cm²/sec 10-4 cm²/seC₂ 10-9 cm/sec 10-3 sec/cm 10-1 cm²/sec 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 D/a Dependent on the Reynolds number D/2a Proportional to √D D/a Dependent on the Reynolds number D/2a Proportional to √D 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 ? Gas side Liquid side Interfacial Both liquid and gas side Gas side Liquid side Interfacial Both liquid and gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively < 1 and ≈ 1 0 and ≈ 1 >1 and ≈ 1 1 and 0 < 1 and ≈ 1 0 and ≈ 1 >1 and ≈ 1 1 and 0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NSc = NPr = NLe NSc = 1 NSc = NLe NPr = NLe NSc = NPr = NLe NSc = 1 NSc = NLe NPr = NLe ANSWER DOWNLOAD EXAMIANS APP
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