Biochemical Engineering - Fermentation Kinetics

Exercise : Fermentation Kinetics - Section 2
26.
The height to diameter ratio (H/D) for the tank fermenters is
<3
>3
<1.5
>1.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
The relatively large volume (10 to 40% of total fermenter volume) of the seed culture is employed to
increase the overall fermentation time
increase the overall yield of biomass
decrease the overall fermentation time
decrease the overall yield of product
Answer: Option
Explanation:
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28.
In an airlift bioreactor, the air sparging region is called
downcomer
disengagement zone
air riser
none of these
Answer: Option
Explanation:
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29.
The air riser is located on the outside of the draft tube for the large-scale airlift bioreactors because of
higher oxygen transfer rates
a small sparge ring
better heat transfer efficiencies
all of these
Answer: Option
Explanation:
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30.
At the end of the lag phase, when growth begins, the division rate increases gradually and reaches a maximum value in the exponential growth period. This transitional period is commonly called the accelerated growth phase and is often included as a part of the
lag phase
stationary phase
death phase
exponential growth phase
Answer: Option
Explanation:
No answer description is available. Let's discuss.