Biochemical Engineering | Fermentation Reactors

If biomass yields are constant, then the biomass productivity of a culture grown in continuous reactor will

Byadmin July 20, 2022

Question: If biomass yields are constant, then the biomass productivity of a culture grown in continuous reactor will
[A].

always decrease with dilution rate

[B].

increase with dilution rate until washout

[C].

remain constant irrespective of the dilution rate

[D].

decrease with dilution rate until washout

Answer: Option B

Explanation:

No answer description available for this question.

Biochemical Engineering | Immobilized Enzyme

Various techniques are available for determining the effective diffusivity of solute in gel. Thin disk method uses

Question: Various techniques are available for determining the effective diffusivity of solute in gel. Thin disk method uses
[A].

a diffusion cell with two compartments divided by a thin gel
[B].
a diffusion cell with two compartments
[C].
a diffusion cell with two compartments plus by a thin gel
[D].
a diffusion cell with two compartments multiply by a thin gel

Answer: Option A

Explanation:

No answer description available for this question.

Read More Various techniques are available for determining the effective diffusivity of solute in gel. Thin disk method uses
Agitation And Aeration | Biochemical Engineering

Henry’s law relates

Question: Henry’s law relates
[A].

the partial pressure of oxygen and the saturation concentration of oxygen in the liquid
[B].
the oxygen transfer rate and the bubble size
[C].
the oxygen transfer rate and the temperature
[D].
the oxygen transfer rate to the partial pressure of oxygen in the liquid

Answer: Option A

Explanation:

No answer description available for this question.

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Biochemical Engineering | Fermentation Kinetics

The advantage of airlift bioreactors over stirred tank bioreactors of a similar size is

Question: The advantage of airlift bioreactors over stirred tank bioreactors of a similar size is
[A].

higher oxygen transfer rates
[B].
more uniform shear conditions
[C].
both (a) and (b)
[D].
less foaming

Answer: Option C

Explanation:

No answer description available for this question.

Read More The advantage of airlift bioreactors over stirred tank bioreactors of a similar size is
Biochemical Engineering | Sterilization

The destruction of microorganisms by steam may be described as

Question: The destruction of microorganisms by steam may be described as
[A].

first order chemical reaction
[B].
zero order chemical reaction
[C].
second order chemical reaction
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More The destruction of microorganisms by steam may be described as
Agitation And Aeration | Biochemical Engineering

Main reason for using baffles in stirred tank reactors are

Question: Main reason for using baffles in stirred tank reactors are
[A].

baffles permit turbulence conditions to arise at low stirrer speed
[B].
baffles will allow axial mixing to occur even with radial flow impellers
[C].
both (a) and (b)
[D].
baffles prevent turbulent conditions in stirred tank reactors

Answer: Option C

Explanation:

No answer description available for this question.

Read More Main reason for using baffles in stirred tank reactors are
Biochemical Engineering | Sterilization

The heated medium passes through a holding section, which is usually maintained in

Question: The heated medium passes through a holding section, which is usually maintained in
[A].

adiabatic conditions
[B].
isothermal conditions
[C].
isotropic conditions
[D].
isobaric conditions

Answer: Option A

Explanation:

No answer description available for this question.

Read More The heated medium passes through a holding section, which is usually maintained in

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