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Posted By: srinivas Member Level: Gold Posted Date: 29 May 2008
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2007 Andhra Pradesh State Jawaharlal Nehru Technological University Biotechnology II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007 BIO PROCESS ENGINEERING-I Question paper
Code No: RR222302 Set No. 4
II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007
BIO PROCESS ENGINEERING-I
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. Mention about the Regulatory constraints of bioprocesses. [6+10]
2. (a) Briefly explain about the material of construction for fermentor fabrication.
(b) Explain different types of agitators used in fermentors. [8+8]
3. Give the composition of four industrially important media used in industrial fer-
mentation. [16]
4. Explain the kinetics of medium sterilisation and obtain a mathematical expression
for specific death rate. [16]
5. Discuss the following:
(a) Stoichiometry of cell growth and product formation
(b) Degree of reduction of substrate and biomass. [8+8]
6. Explain the synthesis of glucose from pyruvate. [16]
7. (a) Enumerate the principle involved in the microbial growth taking an example.
(b) Differentiate between the growth in the batch and continuos systems. [8+8]
8. (a) Differentiate between competitive product inhibition and non-competitive prod-
uct inhibition.
(b) Explain the product inhibition on the product formation. [8+8]
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