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

Related Mcqs:

1. The equation, NA = (DAB . Pt /RTZ) (y1 – y2) is for _______________________?

   A. Steady state equimolar counter diffusion
   B. Fick’s first law of diffusion
   C. Steady state diffusion for stagnant case
   D. Liquid M.T.C. by penetration theory

2. Mass transfer co-efficient is directly proportional to DAB according to the _____________ theory?

   A. Film
   B. Penetration
   C. Surface-renewal
   D. None of these

3. Mass transfer co-efficient is directly proportional to DAB according to the __________ theory?

   A. Film
   B. Penetration
   C. Surface-renewal
   D. None of these

4. Mass transfer co-efficient is directly proportional to DAB 0.5, according to ________________ theory ?

   A. Penetration
   B. Surface renewal
   C. Film
   D. None of these

5. Mass transfer co-efficient varies as DAB 0.5, according to the _______________ theory?

   A. Film
   B. Surface renewal
   C. Penetration
   D. None of these

6. The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of________________?

   A. Newtonian liquids
   B. Non-Newtonian liquids
   C. Ideal gases
   D. Real gases

7. According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B ? Assume that relative volatility (αAB = 2) does not change appreciably in the column ?

   A. 5
   B. 9
   C. 12
   D. 28

8. Freundlich equation applies to the adsorption of solute from___________________?

   A. Dilute solutions, over a small concentration range
   B. Gaseous solutions at high pressure
   C. Concentrated solutions
   D. None of these

9. Rayleigh’s equation applies to _________________ distillation?

   A. Continuous
   B. Steam
   C. Differential
   D. Flash

10. Which of the following unit operations makes use of Thiele-Geddes equation ?

    A. Liquid-liquid extraction
    B. Solid-liquid extraction
    C. Multi-component absorption with chemical reaction
    D. Multi-component distillation