The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same system is_______________________?

Related Mcqs:

The equation, NA = (DAB . Pt /RTZ . PBM) (PA1 – PA2) is for_______________________?

A. Fick’s second law of diffusion B. Steady state diffusion for stagnant case C. Liquid M.T.C. by Higbie penetration theory D. None of these...

Pick out the wrong statement. Generally for physical adsorption, a gas of________________?

A. Higher molecular weight is adsorbed in preference to a gas of low molecular weight B. High critical temperature is adsorbed in preference to a gas of low critical temperature C. Low volatility is adsorbed in preference to a gas of high volatility D. None of these...

Flash distillation is _______________________?

A. Same as differential distillation B. Used for multi-component systems like crude refining C. Same as simple distillation D. Most useful for handling binary systems...

The minimum liquid rate to be used in an absorber corresponds to an operating line__________________?

A. Of slope = 1 B. Of slope = 0.1 C. Tangential to the equilibrium curve D. None of these...

The diffusivity D. in a binary gas mixture is related to the pressure (P) as___________________?

A. D ∝ P0.5 B. D ∝ 1/P0.5 C. D ∝ 1/P D. D ∝ 1/P1.5...