Agitation And Aeration | Biochemical Engineering

Which of the following will have the highest surface area available for oxygen transfer?

Byadmin July 19, 2022

Question: Which of the following will have the highest surface area available for oxygen transfer?
[A].

A shake flask

[B].

A standing test tube

[C].

A non-sparged stirred tank reactor agitated at 400 rpm

[D].

A sparged stirred tank reactor agitated at 400 rpm

Answer: Option D

Explanation:

No answer description available for this question.

Biochemical Engineering | Immobilized Enzyme

Which of the following is the commonly employed adsorbents?

Question: Which of the following is the commonly employed adsorbents?
[A].

Calcium carbonate
[B].
Alumina
[C].
Celluloses
[D].
All of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More Which of the following is the commonly employed adsorbents?
Biochemical Engineering | Fermentation Reactors

Monoclonal antibodies are typically produced in fed batch reactors because

Question: Monoclonal antibodies are typically produced in fed batch reactors because
[A].

hybridoma cells ferment at high maltose concentrations
[B].
hybridoma cells yield higher lactate at high glucose concentrations
[C].
hybridoma cells respire at high glucose concentrations
[D].
none of the above

Answer: Option B

Explanation:

No answer description available for this question.

Read More Monoclonal antibodies are typically produced in fed batch reactors because
Biochemical Engineering | Fermentation Reactors

Saccharomyces cerevisiae is being grown in a chemostat converts glucose to biomass, ethanol, glycerol and carbon dioxide. At steady state, the concentration of glucose, biomass, ethanol and glycerol will

Question: Saccharomyces cerevisiae is being grown in a chemostat converts glucose to biomass, ethanol, glycerol and carbon dioxide. At steady state, the concentration of glucose, biomass, ethanol and glycerol will
[A].

decrease with time
[B].
increase with time
[C].
be constant
[D].
change randomly with time

Answer: Option C

Explanation:

No answer description available for this question.

Read More Saccharomyces cerevisiae is being grown in a chemostat converts glucose to biomass, ethanol, glycerol and carbon dioxide. At steady state, the concentration of glucose, biomass, ethanol and glycerol will
Biochemical Engineering | Immobilized Enzyme

Which of the following is considered as a disadvantage to the adsorption method of immobilization?

Question: Which of the following is considered as a disadvantage to the adsorption method of immobilization?
[A].

It is possible to separate and purify the enzymes while being immobilized
[B].
The enzymes are not usually deactivated by adsorption
[C].
The adsorption is a reversible process
[D].
State of immobilization is very sensitive to solution pH, ionic strength and temperature

Answer: Option D

Explanation:

No answer description available for this question.

Read More Which of the following is considered as a disadvantage to the adsorption method of immobilization?
Agitation And Aeration | Biochemical Engineering

Which of the following is not considered among the three best-known theories of interphase mass transfer?

Question: Which of the following is not considered among the three best-known theories of interphase mass transfer?
[A].

two-film theory
[B].
penetration theory
[C].
surface renewal theory
[D].
Calderbank and Moo-Young theory

Answer: Option D

Explanation:

No answer description available for this question.

Read More Which of the following is not considered among the three best-known theories of interphase mass transfer?
Agitation And Aeration | Biochemical Engineering

A flooded impeller will lead to poor oxygen transfer rates because

Question: A flooded impeller will lead to poor oxygen transfer rates because
[A].

bubbles tend to coalesce under the impeller
[B].
bubbles tend to break down too rapidly under high shear conditions
[C].
bubbles tend to move too quickly through the bulk liquid
[D].
the cells clog up the surface of the bubble

Answer: Option A

Explanation:

No answer description available for this question.

Read More A flooded impeller will lead to poor oxygen transfer rates because

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