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Biochemical Engineering

Model proposed by the Friedlander, correlating the air filtration efficiency by impaction can be expressed as (where NSt is the Stokes number)

Biochemical Engineering, Sterilization /
Question: Model proposed by the Friedlander, correlating the air filtration efficiency by impaction can be expressed as (where NSt is the Stokes number)
[A].

ηimp = 0.075NSt1.2

[B].

ηimp = 0.75NSt1.2

[C].

ηimp = 0.25NSt1.2

[D].

ηimp = 0.025NSt1.2

Answer: Option A

Explanation:

No answer description available for this question.

Model proposed by the Friedlander, correlating the air filtration efficiency by impaction can be expressed as (where NSt is the Stokes number) Read More »

Biochemical Engineering, Sterilization

The collection efficiency by the inertial impaction mechanism is the function of

Biochemical Engineering, Sterilization /
Question: The collection efficiency by the inertial impaction mechanism is the function of
[A].

Stokes and Reynolds number

[B].

Stokes and Schmidt number

[C].

Grashoff and Reynolds number

[D].

Stokes and Grashof number

Answer: Option A

Explanation:

No answer description available for this question.

The collection efficiency by the inertial impaction mechanism is the function of Read More »

Biochemical Engineering, Sterilization

In sterilization process, spore of which of the following organism is considered as control?

Biochemical Engineering, Sterilization /
Question: In sterilization process, spore of which of the following organism is considered as control?
[A].

Bacillus subtilis

[B].

Clostridium botulinum

[C].

Bacillus stearothermophilus

[D].

Aspergillus niger

Answer: Option C

Explanation:

No answer description available for this question.

In sterilization process, spore of which of the following organism is considered as control? Read More »

Biochemical Engineering, Sterilization

The mechanical means of accomplishing sterilization of fermentation media/equipment is

Biochemical Engineering, Sterilization /
Question: The mechanical means of accomplishing sterilization of fermentation media/equipment is
[A].

ultrasonic

[B].

radiation

[C].

chemical agents

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

The mechanical means of accomplishing sterilization of fermentation media/equipment is Read More »

Biochemical Engineering, Sterilization

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

Biochemical Engineering, Immobilized Enzyme /
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.

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

Biochemical Engineering, Immobilized Enzyme

The effectiveness factor increases with the

Biochemical Engineering, Immobilized Enzyme /
Question: The effectiveness factor increases with the
[A].

increase of diffusivity and decreased with the increase of particle size

[B].

increase of diffusivity and increased with the increase of particle size

[C].

decrease of diffusivity and decreased with the increase of particle size

[D].

increase of diffusivity and decrease with the decrease of particle size

Answer: Option A

Explanation:

No answer description available for this question.

The effectiveness factor increases with the Read More »

Biochemical Engineering, Immobilized Enzyme