Slurry reactors are characterised by the_________________?

Related Mcqs:

1. A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are_____________________?

   A. Equal in size
   B. Of different sizes
   C. Of such size that the ratio of their volumes is < 5
   D. None of these

2. The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the_________________?

   A. Space time for each parallel line is same
   B. Space time for parallel lines is different
   C. Larger reactors have more space time compared to smaller ones
   D. None of these

3. A batch reactor is characterised by ____________________?

   A. Constant residence time
   B. Variation in extent of reaction and properties of the reaction mixture with time
   C. Variation in reactor volume
   D. Very low conversion

4. consecutive reaction, as shown in the bellow figure, is characterised by __________________?

   AA. Maxima in the concentration of A
   B. Maxima in the concentration of B
   C. Maxima in the concentration of C
   D. High exothermicity

5. ‘n’ number of plug flow reactors (P.F.R) in series with a total volume ‘V’ gives the same conversion as one P.F.R. of volume________________?

   A. V/n
   B. V
   C. V.n
   D. 1/V

6. Pick out the wrong statement pertaining to space velocity of flow reactors?

   A. The unit of space velocity is (time)-1
   B. The space velocity of 3 hr-1 means that three reactor volumes of feed at specified conditions
   are being fed into the reactor every hour
   C. The space velocity of 3 hr-1 means that one third reactor volume of feed at specified
   conditions are being fed into the reactor
   D. None of these

7. A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that _____________ in the two reactors?

   A. Both conversion as well as concentration are same
   B. Conversion in both will be the same but concentrations will be different
   C. Both the conversion as well as concentrations will be different
   D. None of these

8. Holding time for flow reactors is _______________ the space time, for constant fluid density ?

   A. Double
   B. Triple
   C. Equal to
   D. None of these

9. In flow reactors, the performance equations interrelate the rate of reaction to the___________________?

   A. Feed rate
   B. Reactor volume
   C. Extent of reaction
   D. All A., B. and C.

10. ‘N’ plug flow reactors in series with a total volume ‘V’ gives the same conversion as a single plug flow reactor of volume ‘V’ for _______________ order reactions?

    A. First
    B. Second
    C. Third
    D. Any