Question

In a fluidized bed reactor mixing is achieved by

a.

gravity flow of fluid

b.

upward movement of the incoming feed

c.

diffusion

d.

both (a) and (b)

Answer: (d).both (a) and (b)

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. In a fluidized bed reactor mixing is achieved by

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Two continuous bioreactors containing the same organisms, fed with the same feed at the same dilution rate were compared. Reactor 1 started with an initial concentration of glucose of 10 g.l­¹, while reactor 2 contained 0.1 g.l­¹ of glucose at the start of the process then at steady state

Q. Yeast is typically produced in fed batch reactors because

Q. Which of the following organisms will continue their metabolism at high substrate concentrations?

Q. A fed-batch reactor containing 2 litre of medium and 0.1 g.l­¹ of biomass is fed with a medium containing 1 g.l­¹ of substrate at 1 litre per hour. If after 10 hours, the concentration of biomass in the reactor was 0.2 g.l­¹, then the biomass produced during the 10 hour period is

Q. A strain of Escherichia coli has a maximum specific growth rate of 0.8 h­¹ on a glucose based medium. If this organism is being grown in a chemostat with a dilution rate of 1.2 h­¹, then at steady state the concentration of E. coli in the same medium will

Q. In an activated sludge process, the biomass is recycled to

Q. In a plug flow reactor, the highest concentration of substrates is exposed to the cells that

Q. Which of the following is not correct with regards to continuous cultures?

Q. In a glucose-yeast extract medium, Lactococcus lactis has a maximum specific growth rate (um) of 1.23 h­¹. What would be the specific growth rate of this organism at steady state in a 4 litre reactor being fed at 2 litres per hour?

Q. Pseudomonas aeruginosa has a maximum specific growth rate of 0.8 h­¹ in a medium with glucose as a growth limiting substrate. To prevent wash out, the dilution rate must be set to

Q. Which of the following would be correct concerning the concentration of biomass (X). growth limiting substrate (S) and product (P) in a chemostat when the cells have been washed out?

Q. When the product formation is approximately equal to the rate of cell growth, the pattern of product formation is termed as

Q. A microorganism which is subjected to the Crabtree effect is most likely to

Q. Which of the following is best described as secondary metabolite?

Q. When Escherichia coli grow in a well aerated medium, which of the following will occur?

Q. In the batch-fed mode, substrate will be added

Q. Continuous culture has an advantage over to a batch cultures as

Q. Saccharomyces cerevisiae when grown in high glucose concentration medium, the cells activity depends on which of the following?

Q. In plug flow tubular reactor the axial velocity profile on cross-section will be

Q. Monoclonal antibodies are typically produced in fed batch reactors because

Recommended Subjects

Are you eager to expand your knowledge beyond Biochemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!