Biochemical Engineering | Fermentation Kinetics

The maximum specific growth rate (μm) of an organism in batch culture is equal to slope of a plot of

Byadmin July 20, 2022

Question: The maximum specific growth rate (μm) of an organism in batch culture is equal to slope of a plot of
[A].

In [biomass] against time for exponential phase data only

[B].

In [biomass] against time

[C].

biomass against time

[D].

biomass against time for stationary phase data only

Answer: Option A

Explanation:

No answer description available for this question.

Agitation And Aeration | Biochemical Engineering

The Intermig impeller is

Question: The Intermig impeller is
[A].

an axial flow impeller which can be used for the culture of aerobic organisms
[B].
directed upwards rather than towards the base of the reactor
[C].
a fork shaped extensions to the impeller facilitate bubble break up
[D].
All of the above

Answer: Option D

Explanation:

No answer description available for this question.

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Biochemical Engineering | Water Treatment

The common methods used for disinfection in waste water treatment plants are

Question: The common methods used for disinfection in waste water treatment plants are
[A].

chlorination
[B].
UV light
[C].
both (a) and (b)
[D].
Phenolic solvent

Answer: Option C

Explanation:

No answer description available for this question.

Read More The common methods used for disinfection in waste water treatment plants are
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 | Fluid Flow

The viscosity of the culture fluid is classified as both pseudoplastic and thixotropic which indicates that the viscosity

Question: The viscosity of the culture fluid is classified as both pseudoplastic and thixotropic which indicates that the viscosity
[A].

increases with stirring speed but decreases with mixing time
[B].
increases with stirring speed and increases with mixing time
[C].
decreases with stirring speed but increases with mixing time
[D].
decreases with stirring speed and decreases with mixing time

Answer: Option D

Explanation:

No answer description available for this question.

Read More The viscosity of the culture fluid is classified as both pseudoplastic and thixotropic which indicates that the viscosity
Biochemical Engineering | Fermentation Kinetics

During the exponential phase the maximum specific growth rate equals specific growth rate as

Question: During the exponential phase the maximum specific growth rate equals specific growth rate as
[A].

concentration of the growth limiting substrate is much less than the monod constant
[B].
concentration of growth limiting substrate is much greater than the monod constant
[C].
specific growth rate increases exponentially
[D].
concentration of the growth limiting substrate is equal to the monod constant

Answer: Option B

Explanation:

No answer description available for this question.

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Agitation And Aeration | Biochemical Engineering

Which of the following stirrer requires least amount of energy for same yield?

Question: Which of the following stirrer requires least amount of energy for same yield?
[A].

Mig
[B].
Intermig
[C].
Turbine
[D].
Disc

Answer: Option B

Explanation:

No answer description available for this question.

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