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WorksheetsBioprocess Technology
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
What is bioreactor?
a)
A large receptacle or storage chamber, especially for liquid or gas.
b)
An apparatus used for biochemical reaction or process in industrial to produce biological product
c)
Vessels designed to contain chemical reaction
d)
Essential item used in distillation of liquid mixtures so as to separate the mixture into its component parts, or fractions, based on the differences in volatilities.
2.
What is the type of the bioreactor shown in the figure?
a)
Bubble driven bioreactor
b)
Fluidized bed bioreactor
c)
Stirred tank bioreactor
d)
Packed bed bioreactor
3.
What are the bioreactor operational modes?
a)
Batch and continuous
b)
Batch and fed batch
c)
Batch, continuous and fed batch
d)
Batch, continuous, fed batch and chemostat
4.
Which type of bioreactor mode is more efficient?
a)
Batch
b)
Continuous
c)
Fed-batch
d)
Semi-continuous
5.
What type of bioreactor mode is more common?
a)
Batch
b)
Continuous
c)
Fed-batch
d)
Semi-continuous
6.
Which is/are the advantage(s) of fed-batch operation?
a)
Fed-batch reactor can maintain low limiting substrate concentration
b)
Genetic stability
c)
Low operational cost
d)
All of the above
7.
Agitation system consist of ...
a)
Agitator
b)
Baffle
c)
Mechanical seal
d)
All of the above
8.
What is the flow pattern of the impeller shown in the figure?
a)
Rotational flow
b)
Radial flow
c)
Axial flow
d)
Laminar flow
9.
Increasing the aeration rate and stirrer speed will increase the foaming problem. The statement given is
a)
True
b)
False
10.
Process parameters such as temperature, DO concentration and foam level are measured within proximity while the bioreator is working. The description above is about
a)
Off-line control
b)
On-line control
c)
Foam level control
d)
Temperature control
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