Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 6th Sem New 2160508 Biochemical Engineering Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI (NEW) EXAMINATION ? WINTER 2018
Subject Code:2160508 Date:30/11/2018
Subject Name:Biochemical Engineering
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Discuss any two techniques used to extract intracellular product via Cell
Disruption.
03
(b) Explain different methods for the determination of kLa 04
(c) Discuss the material of construction used in the design of bioreactors with
example
07
Q.2 (a) Define Precipitation and Filtration techniques used in downstream
processing.
03
(b) Discuss various developments that took place in history for biochemical
engineering and its products.
04
(c) Explain the methods for the maintenance of Asceptic condition and
containment
07
OR
(c) Explain the Lock and Key model with diagram for enzymatic reactions 07
Q.3 (a) List various types of valves used in biochemical process industry 03
(b) Discuss the role of impellers used for agitation in fermentor in brief. 04
(c) Discuss in detail the difference between batch culture and Fed-batch culture. 07
OR
Q.3 (a) Define Monod growth kinetics and its application 03
(b) Write a short note on OTR and OUR 04
(c) Discuss in brief the variants of fermentation vessels 07
Q.4 (a) Explain in brief what happens during Lag phase and exponential phases of
microbial growth
03
(b) Explain the importance of pH in fermentation or enzymatic process for
product formation
04
(c) Write short note on antibiotics and its application 07
OR
Q.4 (a) Discuss the challenges faced during Scale-Up of fermentation process. 03
(b) Define crystallization and state its application in biochemical industry 04
(c) Discuss the methods to enhance aeration in a fermentor for an aerobic
process.
07
Q.5 (a) Define Enzyme inhibition and role of cofactors 03
(b) Write a brief note on various sterilization techniques of a fermentation
process
04
(c) Discuss various types of steam traps used in fermentation vessel 07
OR
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI (NEW) EXAMINATION ? WINTER 2018
Subject Code:2160508 Date:30/11/2018
Subject Name:Biochemical Engineering
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Discuss any two techniques used to extract intracellular product via Cell
Disruption.
03
(b) Explain different methods for the determination of kLa 04
(c) Discuss the material of construction used in the design of bioreactors with
example
07
Q.2 (a) Define Precipitation and Filtration techniques used in downstream
processing.
03
(b) Discuss various developments that took place in history for biochemical
engineering and its products.
04
(c) Explain the methods for the maintenance of Asceptic condition and
containment
07
OR
(c) Explain the Lock and Key model with diagram for enzymatic reactions 07
Q.3 (a) List various types of valves used in biochemical process industry 03
(b) Discuss the role of impellers used for agitation in fermentor in brief. 04
(c) Discuss in detail the difference between batch culture and Fed-batch culture. 07
OR
Q.3 (a) Define Monod growth kinetics and its application 03
(b) Write a short note on OTR and OUR 04
(c) Discuss in brief the variants of fermentation vessels 07
Q.4 (a) Explain in brief what happens during Lag phase and exponential phases of
microbial growth
03
(b) Explain the importance of pH in fermentation or enzymatic process for
product formation
04
(c) Write short note on antibiotics and its application 07
OR
Q.4 (a) Discuss the challenges faced during Scale-Up of fermentation process. 03
(b) Define crystallization and state its application in biochemical industry 04
(c) Discuss the methods to enhance aeration in a fermentor for an aerobic
process.
07
Q.5 (a) Define Enzyme inhibition and role of cofactors 03
(b) Write a brief note on various sterilization techniques of a fermentation
process
04
(c) Discuss various types of steam traps used in fermentation vessel 07
OR
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2
Q.5 (a) Explain the effect of Temperature, Substrate concentration and Enzyme
concentration for any biochemical reaction
03
(b) Discuss the importance of Fluid rheology in design of any fermentation
process equipment
04
(c) Discuss the basic functions of a fermenter for microbial or animal cell culture 07
*************
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This post was last modified on 20 February 2020