Biochemical Engineering | Sterilization

The collection efficiency by impaction increases with

Byadmin July 20, 2022

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.

Agitation And Aeration | Biochemical Engineering

The dynamic technique is based on the

Question: The dynamic technique is based on the
[A].

oxygen material balance in an aerated batch fermenter during the growth of microorganisms
[B].
change of the oxygen concentration
[C].
oxidation of the sodium sulfite to sodium sulfate
[D].
oxygen material balance in a fermenter

Answer: Option A

Explanation:

No answer description available for this question.

Read More The dynamic technique is based on the
Biochemical Engineering | Sterilization

For the turbulent flow, the dispersion coefficient is correlated as a function of

Question: For the turbulent flow, the dispersion coefficient is correlated as a function of
[A].

Reynolds number
[B].
Sherwood number
[C].
Schmidt number
[D].
Grashof number

Answer: Option A

Explanation:

No answer description available for this question.

Read More For the turbulent flow, the dispersion coefficient is correlated as a function of
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 | Fermentation Kinetics

The diameter of the baffles in a standard stirred tank bioreactor ranges from

Question: The diameter of the baffles in a standard stirred tank bioreactor ranges from
[A].

1/10th – 1/12th of the tank diameter
[B].
1/3rd – 1/4th of the tank diameter
[C].
1/15th – 1/20th of the tank diameter
[D].
1/20th – 1/25th of the tank diameter

Answer: Option A

Explanation:

No answer description available for this question.

Read More The diameter of the baffles in a standard stirred tank bioreactor ranges from
Biochemical Engineering | Sterilization

The filter material used for air filtration system is/are

Question: The filter material used for air filtration system is/are
[A].

glass wool
[B].
glass fibre
[C].
norite
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More The filter material used for air filtration system is/are
Agitation And Aeration | Biochemical Engineering

In a two-phase system where the continuous phase remains in place, the gas hold up can be expressed as (where Vs and Vt are the superficial gas velocity and bubble rise velocity)

Question: In a two-phase system where the continuous phase remains in place, the gas hold up can be expressed as (where Vs and Vt are the superficial gas velocity and bubble rise velocity)
[A].

H = Vs/(Vs-Vt)
[B].
H = Vs/(Vs+ Vt)
[C].
H = Vs/(Vs.Vt)
[D].
H = (Vs+Vt)/Vs

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a two-phase system where the continuous phase remains in place, the gas hold up can be expressed as (where Vs and Vt are the superficial gas velocity and bubble rise velocity)

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