Mass Transfer Which of the following remains constant during sensible cooling process ? Specific humidity Specific humidity & Partial pressure of vapour None of the listed here Partial pressure of vapour Specific humidity Specific humidity & Partial pressure of vapour None of the listed here Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases because of the Both Decreased viscosity of liquid & Increased diffusivity Decreased viscosity of liquid Increased diffusivity None of the listed here Both Decreased viscosity of liquid & Increased diffusivity Decreased viscosity of liquid Increased diffusivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Sc x Pr Pr x St Sh x Pr St x Sh Sc x Pr Pr x St Sh x Pr St x Sh ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Always more than the point efficiency Same as the Murphree efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Always more than the point efficiency Same as the Murphree efficiency 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 Both liquid and gas side Interfacial Gas side Liquid side Both liquid and gas side Interfacial Gas side ANSWER DOWNLOAD EXAMIANS APP
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