Biochemical Engineering - Agitation and Aeration

Why Biochemical Engineering Agitation and Aeration?

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How to solve Biochemical Engineering Agitation and Aeration problems?

You can easily solve all kind of Biochemical Engineering questions based on Agitation and Aeration by practicing the objective type exercises given below, also get shortcut methods to solve Biochemical Engineering Agitation and Aeration problems.

Exercise :: Agitation and Aeration - Section 1

1. 

Swirling and vortex formation can be prevented by

A. using baffles
B. using diffusion ring with turbines
C. both (a) and (b)
D. none of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

2. 

Power number is expressed as

A. P0 / N2Di3ρ
B. P0 / N3Di5ρ
C. P0 / N3Di3ρ
D. P0 / N2Di2ρ

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

3. 

The power consumption in a stirring vessel can be assessed by using a

A. dynamometer
B. strain gauge attached to agitator shaft
C. watt meter attached to agitator motor
D. all of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

4. 

Surface renewal theory predicts that the mass transfer coefficient is

A. directly proportional to the square root of the molecular diffusivity
B. inversely proportional to the square root of the molecular diffusivity
C. directly proportional to the cube root of the molecular diffusivity
D. indirectly proportional to the cube root of the molecular diffusivity

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

5. 

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. Let us discuss.

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