Mass transfer co-efficient (K) and diffusivity D. are related according to film theory as______________________?

Related Mcqs:

Pore size of the molecular sieve 5A is ____________________ mm ?

A. 5 B. 0.5 C. 0.05 D. 50...

In gas-liquid contact operation, the number of ideal stages, N = (xa – xb)/(xb – x*b). This is true when the stripping factor ‘S’ is ________________?

A. S > 1 B. S < 1 C. S = 1 D. S = ∞...

In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in_________________?

A. Reducing the axial mixing B. Increasing the rate of extraction C. Maintaining the concentration difference between the two phases D. All A , B & C....

Pick out the wrong statement ?

A. Change in barometric pressure does not affect the relative humidity B. In case of a packed tower, the operating velocity is about half of the flooding velocity, generally C. ‘Elution’ means the desorption of the adsorbed solute by a solvent D. The equilibrium moisture content of the solid can be reduced by increasing the … Pick out the wrong statement ?Read More...

Separation of two volatile liquids by distillation makes use of their________________________?

A. Selectivity B. Relative volatility C. Solubility D. Density difference...