Agitation And Aeration | Biochemical Engineering

Bioreactors, where vortex is formed, another dimensionless number, __________ is useful.

Byadmin July 19, 2022

Question: Bioreactors, where vortex is formed, another dimensionless number, __________ is useful.
[A].

Stanton

[B].

Rayleigh

[C].

Bond

[D].

Froude

Answer: Option D

Explanation:

No answer description available for this question.

Biochemical Engineering | Fermentation Reactors

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?

Question: 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?
[A].

X,S and P will be zero
[B].
X,S and P can not be predicted for the above condition
[C].
X and P will be zero while S is equal to the substrate concentration in feed
[D].
None of the above

Answer: Option C

Explanation:

No answer description available for this question.

Read More 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?
Biochemical Engineering | Downstream Processing

The effectiveness of a solvent can be measured by the

Question: The effectiveness of a solvent can be measured by the
[A].

distribution coefficients
[B].
selectivity
[C].
both (a) and (b)
[D].
diffusivity

Answer: Option C

Explanation:

No answer description available for this question.

Read More The effectiveness of a solvent can be measured by the
Biochemical Engineering | Downstream Processing

Micro filtration refers to the separation of suspended material such as bacteria by using a membrane with spore sizes of

Question: Micro filtration refers to the separation of suspended material such as bacteria by using a membrane with spore sizes of
[A].

0.02 to 10μm
[B].
1-10A°
[C].
20-30μm
[D].
10-200A°

Answer: Option A

Explanation:

No answer description available for this question.

Read More Micro filtration refers to the separation of suspended material such as bacteria by using a membrane with spore sizes of
Agitation And Aeration | Biochemical Engineering

An increase in the heat transfer in the stirred tank reactor will be observed at

Question: An increase in the heat transfer in the stirred tank reactor will be observed at
[A].

higher cooling water temperature
[B].
higher stirrer speed
[C].
the removal of baffles from the reactor
[D].
slower stirrer speed

Answer: Option B

Explanation:

No answer description available for this question.

Read More An increase in the heat transfer in the stirred tank reactor will be observed at
Agitation And Aeration | Biochemical Engineering

Which of the following is most likely to cause an increase in the rate of oxygen transfer into a particular aerated fermentation system?

Question: Which of the following is most likely to cause an increase in the rate of oxygen transfer into a particular aerated fermentation system?
[A].

Addition of antifoams
[B].
Increase in temperature
[C].
Increase in stirrer speed
[D].
Both (a) and (b)

Answer: Option C

Explanation:

No answer description available for this question.

Read More Which of the following is most likely to cause an increase in the rate of oxygen transfer into a particular aerated fermentation system?
Biochemical Engineering | Water Treatment

Temporary hardness of water may be removed by adding

Question: Temporary hardness of water may be removed by adding
[A].

calcium hydroxide
[B].
calcium carbonate
[C].
calcium chloride
[D].
sodium bicarbonate

Answer: Option A

Explanation:

No answer description available for this question.

Read More Temporary hardness of water may be removed by adding

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