Biochemical Engineering | Fermentation Kinetics

The number of baffles in a standard stirred tank bioreactor is

Byadmin July 20, 2022

Question: The number of baffles in a standard stirred tank bioreactor is
[A].

[B].

[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

Agitation And Aeration | Biochemical Engineering

Penetration theory assumes that turbulent eddies travel from the bulk of the phase to the interface where they remain constant for a constant exposure time (te). The model correlating KL, mass transfer coefficient and DAB, diffusivity can be expressed as

Question: Penetration theory assumes that turbulent eddies travel from the bulk of the phase to the interface where they remain constant for a constant exposure time (te). The model correlating KL, mass transfer coefficient and DAB, diffusivity can be expressed as
[A].

KL = 2(DAB/πte)0.25
[B].
KL = 2(DAB/πte)0.5
[C].
KL = 2(DAB/πte)0.75
[D].
KL = 2(DAB/πte)

Answer: Option B

Explanation:

No answer description available for this question.

Read More Penetration theory assumes that turbulent eddies travel from the bulk of the phase to the interface where they remain constant for a constant exposure time (te). The model correlating KL, mass transfer coefficient and DAB, diffusivity can be expressed as
Biochemical Engineering | Downstream Processing

For the extractions operation, the selectivity should be

Question: For the extractions operation, the selectivity should be
[A].

> 1
[B].
< 1
[C].
1
[D].
zero

Answer: Option A

Explanation:

No answer description available for this question.

Read More For the extractions operation, the selectivity should be
Biochemical Engineering | Enzymes And Kinetics

Which of the following activity is possible by transferases?

Question: Which of the following activity is possible by transferases?
[A].

Transfer of methyl groups
[B].
Transfer of glycosyl group
[C].
Both (a) and (b)
[D].
None of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Which of the following activity is possible by transferases?
Biochemical Engineering | Sterilization

The collection efficiency by impaction increases with

Question: The collection efficiency by impaction increases with
[A].

increasing particle diameter
[B].
increasing air flow velocity
[C].
both (a) and (b)
[D].
increasing particle size

Answer: Option C

Explanation:

No answer description available for this question.

Read More The collection efficiency by impaction increases with
Biochemical Engineering | Fermentation Reactors

Mixing profiles closest to plug flow are observed in

Question: Mixing profiles closest to plug flow are observed in
[A].

continuous packed bed reactor
[B].
stirred tank reactor with biomass recycles
[C].
continuous fluidized bed bioreactor
[D].
all of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Mixing profiles closest to plug flow are observed in
Agitation And Aeration | Biochemical Engineering

Which of the following impellers are used for wide range of viscosities?

Question: Which of the following impellers are used for wide range of viscosities?
[A].

paddles
[B].
turbines
[C].
propellers
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Which of the following impellers are used for wide range of viscosities?

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