Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) BT-Bio Technology 2020 December 6th Sem 71072 Fundamentals Of Biochemical Engineering Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (Biotechnology) (2012 Onwards) (Sem.?6)
FUNDAMENT ALS OF BIOCHEMICAL ENGINEERING
Subject Code : BTBT-601
M.Code : 71072
Time : 3 Hrs. Max. Marks : 60
INST RUCT ION TO CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE ma rks eac h a nd s tud ents
has to attempt any FOUR qu estio ns.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
has to attempt any TWO questions.
SECTION-A
Write briefly :
1. What is idiophase?
2. Defined media vs. complex media
3. What is specific growth rate?
4. Define `Degree of Reduction'.
5. Define Chemostat.
6. Name any four designs of impellers used in bioprocessing.
7. Define the term `Integral Control'.
8. Define microbial oxygen demand.
9. Define volumetric transfer coefficient.
10. Two film theory.
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SECTION-B
11. Discuss the CSTR kinetics and associated mass balances for substrate utilization, product
and cell formation.
12. Comment on Monod kinetics. Describe the effect of limiting substrate concentration on
microbial growth.
13. Explain the effect of culture and medium rheology on KLa value.
14. Explain log penetration theory for defining air sterilization.
15. Explain the role of molecular diffusion in bioprocessing.
SECTION-C
16. Write a detailed explanation of various components for designing an ideal fermenter.
17. Calculate the stoichiometric coefficients of the following biological reaction if 2/3rd of the
total carbon present in the substrate gets transformed into the biomass.
C6H12O6 + aO2 + bNH3 cC4.4 H7.3O1.2N0.86 + dH2O + eCO2
(Glucose)
(Biomass)
18. Write short notes on :
a) Media sterilization
b) Methods of determining `pressure' as a process variable
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 February 2021