Biochemical Engineering | Downstream Processing

If the solute passes through membrane freely, the the rejection coefficient (s) is

Byadmin July 20, 2022

Question: If the solute passes through membrane freely, the the rejection coefficient (s) is
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

Biochemical Engineering | Fermentation Kinetics

Heat transfer rates (per unit volume) will be lowest in

Question: Heat transfer rates (per unit volume) will be lowest in
[A].

Stirred tank bioreactor with biomass recycle
[B].
Continuous air lift bioreactor
[C].
Continuous packed bed reactor
[D].
Continuous fluidized bed bioreactor

Answer: Option C

Explanation:

No answer description available for this question.

Read More Heat transfer rates (per unit volume) will be lowest in
Biochemical Engineering | Water Treatment

Calgon is used for removal of

Question: Calgon is used for removal of
[A].

sodium carbonate
[B].
permanent hardness of water
[C].
potassium carbonate
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Calgon is used for removal of
Biochemical Engineering | Fermentation Reactors

A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called __________ culture system.

Question: A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called __________ culture system.
[A].

continuous
[B].
batch
[C].
fed-batch
[D].
semi continuous

Answer: Option A

Explanation:

No answer description available for this question.

Read More A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called __________ culture system.
Agitation And Aeration | Biochemical Engineering

A fermentation system has a KLa of 3 s-1 and a C0* of 5 ppm of O2. If the bulk liquid is completely depleted of oxygen, then the oxygen transfer rate will be equal to

Question: A fermentation system has a KLa of 3 s-1 and a C0* of 5 ppm of O2. If the bulk liquid is completely depleted of oxygen, then the oxygen transfer rate will be equal to
[A].

zero
[B].
15 mg.l-1.s-1
[C].
10 mg.l-1.s-1
[D].
5 mg.l-1.s-1

Answer: Option B

Explanation:

No answer description available for this question.

Read More A fermentation system has a KLa of 3 s-1 and a C0* of 5 ppm of O2. If the bulk liquid is completely depleted of oxygen, then the oxygen transfer rate will be equal to
Agitation And Aeration | Biochemical Engineering

Oxygen transfer rate is increased with an increase in the stirrer speed in aerated bioreactor because

Question: Oxygen transfer rate is increased with an increase in the stirrer speed in aerated bioreactor because
[A].

it decrease the bubble size
[B].
it decreases the size of the boundary layer surrounding a bubble
[C].
it increases the rate of movement of oxygen molecules through the bulk liquid
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More Oxygen transfer rate is increased with an increase in the stirrer speed in aerated bioreactor because
Biochemical Engineering | Water Treatment

Both temporary and permanent hardness of water can be removed by

Question: Both temporary and permanent hardness of water can be removed by
[A].

boiling
[B].
distillation
[C].
filtration
[D].
decantation

Answer: Option B

Explanation:

No answer description available for this question.

Read More Both temporary and permanent hardness of water can be removed by

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