Biochemical Engineering | Downstream Processing

The conventional filtration involves the separation of large particles generally

Byadmin July 20, 2022

Question: The conventional filtration involves the separation of large particles generally
[A].

dp>5μm

[B].

dp>10μm

[C].

dp>15μm

[D].

dp>20μm

Answer: Option B

Explanation:

No answer description available for this question.

Biochemical Engineering | Fermentation Kinetics

Which of the following is correct for the prediction of time requirement in a batch fermenter?

Question: Which of the following is correct for the prediction of time requirement in a batch fermenter?
[A].

Carrying out experiments
[B].
Mathematical modelling of the fermentation process
[C].
Both (a) and (b)
[D].
It is impossible to predict the time required for fermentation

Answer: Option C

Explanation:

No answer description available for this question.

Read More Which of the following is correct for the prediction of time requirement in a batch fermenter?
Biochemical Engineering | Water Treatment

Permanent hardness of water is caused by the presence of

Question: Permanent hardness of water is caused by the presence of
[A].

bicarbonates of calcium and magnesium
[B].
carbonates of sodium and potassium
[C].
chlorides and sulfates of calcium and magnesium
[D].
phosphates of sodium and potassium

Answer: Option C

Explanation:

No answer description available for this question.

Read More Permanent hardness of water is caused by the presence of
Biochemical Engineering | Downstream Processing

Which of the following is not the physical method for the cells rupturing?

Question: Which of the following is not the physical method for the cells rupturing?
[A].

Milling
[B].
Homogenization
[C].
Ultrasonication
[D].
Enzymatic digestion

Answer: Option D

Explanation:

No answer description available for this question.

Read More Which of the following is not the physical method for the cells rupturing?
Agitation And Aeration | Biochemical Engineering

The oxygen transfer rate in a bioreactor will increase if

Question: The oxygen transfer rate in a bioreactor will increase if
[A].

oil is added
[B].
antifoam is added
[C].
detergent like molecules are added
[D].
increase in the reactor temperature

Answer: Option C

Explanation:

No answer description available for this question.

Read More The oxygen transfer rate in a bioreactor will increase if
Biochemical Engineering | Downstream Processing

Micro filtration refers to the separation of suspended material such as bacteria by using a membrane with spore sizes of

Question: Micro filtration refers to the separation of suspended material such as bacteria by using a membrane with spore sizes of
[A].

0.02 to 10μm
[B].
1-10A°
[C].
20-30μm
[D].
10-200A°

Answer: Option A

Explanation:

No answer description available for this question.

Read More Micro filtration refers to the separation of suspended material such as bacteria by using a membrane with spore sizes of
Agitation And Aeration | Biochemical Engineering

A higher liquid height will lead to a higher gas hold up by which the oxygen transfer rate will be

Question: A higher liquid height will lead to a higher gas hold up by which the oxygen transfer rate will be
[A].

higher throughout the reactor
[B].
lower throughout the reactor
[C].
higher at the base of the reactor
[D].
lower at the base of the reactor

Answer: Option C

Explanation:

No answer description available for this question.

Read More A higher liquid height will lead to a higher gas hold up by which the oxygen transfer rate will be

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