Biochemical Engineering | Fluid Flow

The viscous nature of a non-Newtonian fluid

Byadmin July 20, 2022

Question: The viscous nature of a non-Newtonian fluid
[A].

remains constant with time and power input

[B].

changes with the level of power input and/or the length of time during which the fluid is mixed

[C].

is similar to that of a perfect gas

[D].

is similar to that of water

Answer: Option B

Explanation:

No answer description available for this question.

Biochemical Engineering | Fermentation Reactors

A continuous reactor at steady state contains 0.04 g.l-1 of biomass and 0.02 g.l-1 of phenol. The feed contained 0.1 g.l-1 of phenol. The biomass yield would be

Question: A continuous reactor at steady state contains 0.04 g.l-1 of biomass and 0.02 g.l-1 of phenol. The feed contained 0.1 g.l-1 of phenol. The biomass yield would be
[A].

0.4 g.g-1
[B].
0.5 g.g-1
[C].
1.0 g.g-1
[D].
5.0 g.g-1

Answer: Option B

Explanation:

No answer description available for this question.

Read More A continuous reactor at steady state contains 0.04 g.l-1 of biomass and 0.02 g.l-1 of phenol. The feed contained 0.1 g.l-1 of phenol. The biomass yield would be
Biochemical Engineering | Fermentation Kinetics

The high oxygen transfer efficiencies of airlift bioreactors is due to

Question: The high oxygen transfer efficiencies of airlift bioreactors is due to
[A].

the large aspect ratio of the reactor, which leads to a high gas hold-up
[B].
the large aspect ratio of the reactor, which leads to a high oxygen solubility at the base of the reactor
[C].
the draft tube, which reduces bubble coalescence in the reactor
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More The high oxygen transfer efficiencies of airlift bioreactors is due to
Biochemical Engineering | Fermentation Kinetics

Turbidostat is recommended when continuous fermentation needs to be carried out at

Question: Turbidostat is recommended when continuous fermentation needs to be carried out at
[A].

high dilution rates near the washout point
[B].
low dilution rates near the washout point
[C].
moderate dilution rates near the washout point
[D].
any intensity of dilution rates near the washout point

Answer: Option A

Explanation:

No answer description available for this question.

Read More Turbidostat is recommended when continuous fermentation needs to be carried out at
Biochemical Engineering | Water Treatment

The ultimate source of water is

Question: The ultimate source of water is
[A].

rivers and lakes
[B].
dew and forest
[C].
rain and snow
[D].
underground and surface

Answer: Option C

Explanation:

No answer description available for this question.

Read More The ultimate source of water is
Biochemical Engineering | Immobilized Enzyme

Which of the following is not a physical method of immobilization?

Question: Which of the following is not a physical method of immobilization?
[A].

Adsorption
[B].
Entrapment
[C].
Micro encapsulation
[D].
None of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More Which of the following is not a physical method of immobilization?
Biochemical Engineering | Fermentation Reactors

The concentration of biomass in a continuous stirred tank reactor is 20 g dry weight per litre. What would be the concentration of biomass in the effluent?

Question: The concentration of biomass in a continuous stirred tank reactor is 20 g dry weight per litre. What would be the concentration of biomass in the effluent?
[A].

Greater than 20 g dry weight per litre
[B].
Approximately 20 g dry weight per litre
[C].
Lesser than 20 g dry weight per litre
[D].
More than 30 g dry weight per litre

Answer: Option B

Explanation:

No answer description available for this question.

Read More The concentration of biomass in a continuous stirred tank reactor is 20 g dry weight per litre. What would be the concentration of biomass in the effluent?

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