Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant molal overflow Constant relative volatility All of these Total reflux Constant molal overflow Constant relative volatility All of these Total reflux 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 0 and ≈ 1 >1 and ≈ 1 < 1 and ≈ 1 1 and 0 0 and ≈ 1 >1 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 1 1 to 5 > 10 5 to 10 1 1 to 5 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high No Yes Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high No Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Constant boiling mixture High boiling mixture Heat sensitive materials Mixture with very high relative volatility Constant boiling mixture High boiling mixture Heat sensitive materials Mixture with very high relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of __________ employs gaseous diffusion process. N₂ and O₂ from air Isotopes of uranium Isotopes of helium SO₂ and air N₂ and O₂ from air Isotopes of uranium Isotopes of helium SO₂ and air ANSWER DOWNLOAD EXAMIANS APP
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