Download AKTU B-Tech 7th Sem 2015-2016 EBT 042 Bioprocess Engineering Ii Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 7th Semester (Seventh Semester) 2015-2016 EBT 042 Bioprocess Engineering Ii Question Paper

Printed Pages: 4 470 EBT-042
(Following Paper ID and Roll No. to be filled in your
Answer Book)
Roll No.
B.Tech.
(SEM. VII) THEORY EXAMINATION, 2015?16
BIOPROCESS ENGINEERlNG-H
[Time:3 hours] [Total Marks:100]
Section-A
Note: Attempt all questions. All parts ca1ry equal malks. Write
answer of each part in short. (10x2=20)
1. (A) Indicate True (T) or False (F):
(a) Batch bioreactor operates at Steady state. ( )
(b) Thermodynamatically, CSTR is a Closed
system.( )
(c) Exponential growth in a batch culture may be
prolonged by the addition of fresh medium in the
vessel.( )
(d) The destruction of microorganization by steam
(moist heat) follows ?rst order binetics. ( )
750 (1) P.T.O.

(e) 192 grams of oxygen is required for the complete
oxidation of one mole of glucose. ( )
~ (B) Fill in the gap by a suitable one word:
(1) Kza is used as a measurement of. ........................... of
the system.
(g) Bioreactor is regarded as a ;.. ......... of .
(h) Batch culture system represents ......................... in
a ................................ system.
(i) Fermented broth is generally
very ................. containing about 5 to 20% of
the ................... ?
(j) Liquids and gases before ............................ the
bioreactor are ............................. .
Section-B
Attempt any ?ve questions from theis section. (10X5=50)
?2.
750
How do you corelate biochemical Engg. with
biotechnology?
Enumerate the steps in a bioprocess for the production
of an industrial product with a neat ?ow process diagram.
(2) EBT?042
Compare direct methods and indirect methods for
estimation of microbial growth.
How do you differentiate between ?simple type product
formation? and ?simultaneous type of product
formation?? ,
Discuss the features of a chemoslate.
Give a briefmention of mass transfer in a bioreactor.
Enumerate the methods for scale?up of bioreactor with
a brief discription of one of these methods.
Write short notes on any two of the following:
(a) Residence time.
(b) Power consumption in bioreactor.
(0) Analysis of bioprocess experimental data.
(d) Airlift bioreactor.
Section-C
Attempt any two question from this section. (15 X2=30)
10. Enumerating the factors affecting ?Kza? and develop the
following expression:
KL?: Cc .Cany
C ?CL
(3) P.T.O.

11.
12.
750
Give an account of computer modeling and Optimization
in bioprocess.
Claculate the aeration rate with large fermentor. The data
required for this are as under :
(i) Aeration rate with
Small fermentor = 1VVM.
(ii) Scale up ratio = 5.0
__X?
(4) EBT-O42