Quiz 6

Question 1

For PID Control if SP is _____________ PV, then Output is increased.

(Equation: SP ____ PV = +Output)

Answer 1

greater than

Question 2

List 4 factors that directly influence growth in abiofermentor:

Answer 2

• temp
• pH
• dO2
• Carbon source

Question 3

Some of the ways to obtain the desired D.O. value are:

Answer 3

• Larger vessel surface area
• Higher agitation rates
• Aerate the vessel

Question 4

What are two disadvantages of growing culture in a flask versus a bioreactor?

Answer 4

1. Added labor and time

2. Cost

Question 5

Match each rotor type:

Answer 5

*** look at pics on quiz

Question 6

What are the benefits of computerized data logging over manual records?

Answer 6

Less mistakes, more accurate data.

Question 7

.___________ sensors must be capable of detection over extended periods of time (amount of time necessary for the completion of the bioprocess). These sensors may also be autoclavable.

Answer 7

in situ

Question 8

The culture inside a bioreactor chamber can be cooled using a

Answer 8

cooling coil, jacketed water chamber

Question 9

For cell culture applications,heating is more critical than cooling due to slower metabolic rates.
t/f

Answer 9

false

Question 10

A _________________ adds gases to the biofermentor at varying volumes and times.

Answer 10

TMFC