Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D1.5 K ∝ √D K ∝ D K ∝ D2 K ∝ D1.5 K ∝ √D K ∝ D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a single component absorber, the operating line is straight only when plotted in term of __________ units. Partial pressure None of these Mole fraction Mole ratio Partial pressure None of these Mole fraction Mole ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Both A & B Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc ; there won Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc ; there won Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is The ratio of number of ideal plates to actual plates Always more than the point efficiency The ratio of number of actual plates to ideal plates Same as the Murphree efficiency The ratio of number of ideal plates to actual plates Always more than the point efficiency The ratio of number of actual plates to ideal plates Same as the Murphree efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Relative humidity Wet bulb temperature Partial pressure of vapour None of these Relative humidity Wet bulb temperature Partial pressure of vapour None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion occurs in case of Absorption Liquid-liquid extraction Leaching Binary phase distillation Absorption Liquid-liquid extraction Leaching Binary phase distillation ANSWER DOWNLOAD EXAMIANS APP
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