Wetted wall tower experiment determines the__________________?

Related Mcqs:

1. For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is___________________?

   A. Calculated
   B. Unknown
   C. Known
   D. Not required

2. The wetted wall tower is used to determine_________________________?

   A. Individual mass transfer co-efficient (M.T.C.) in gaseous system
   B. M.T.C. of individual components in a liquid-liquid system
   C. M.T.C. of liquid in liquid-gas system
   D. The overall M.T.C. of the system

3. Experimental determination of ________________ is done by wetted wall column method?

   A. Diffusion co-efficient
   B. Mass transfer co-efficient
   C. NTU
   D. None of these

4. Experimental determination of _______________ is done by wetted wall column method?

   A. Diffusion co-efficient
   B. Mass transfer co-efficient
   C. NTU
   D. None of these

5. A natural draft cooling tower is filled with wooden grids, which covers about _________________ percent of the tower height?

   A. 10-15
   B. 30-40
   C. 70-80
   D. 90-100

6. Pressure drop through plate tower as compared to that through packed tower, for the same duty will be___________________?

   A. Less
   B. More
   C. Equal
   D. Either A. or B.; depends on the packing height

7. At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid _______________ that in dry packed tower ?

   A. Is greater than
   B. Is lower than
   C. Is same as
   D. Cannot be predicted as data are insufficient

8. In a moderately sized packed absorption tower, channelling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter ?

   A. > 4 :1
   B. < 8 : 1
   C. > 8:1
   D. < 6:1

9. A packed tower compared to a plate tower for a particular mass transfer operation__________________?

   A. Incurs smaller pressure drop
   B. Allows installation of cooling coils
   C. Is less costly when built in large sizes/diameters
   D. Is more suitable, if suspended solids are present in fluid streams

10. Fenske equation determines the __________________?

    A. Maximum number of ideal plates
    B. Height of the distillation column
    C. Minimum number of theoretical plates
    D. Optimum reflux ratio