Download AKTU B-Tech 7th Sem 2015-2016 EBT 701 Down Stream Processing 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 701 Down Stream Processing Question Paper

Printed Pages: 3 299 EBT?701
(Following Paper ID and Roll No. to be ?lled in your
Answer Book)
Roll No.
B. TECH.
(SEM. VII) THEORY EXAMINATION, 2015-16
DOWN STREAM PROCESSING
[Time:3 hours] [Total Marks: 100]
Section-A
' Q.1 Attempt all parts. All parts carry equal marks. Write
answer of each part in short. (2 x 10 = 20)
(a) Indicate True (T) or False (F) :
(i) Recti?ed spirit contains 50% Ethyl alcohol.
(ii) Continuous process opeartes at unsteady
state.
(iii) Sterilization is a unit of operation.
(iv) Thermodynamically batch process is an open
system.
(v) Washout is an undesirable phenomenon.
(1) ? P.T.O.

(b) Fill in. the gap(s) with suitable one word :
(i) Substrate is a ........ acted by ........
(ii) Y g = g
(iii) Penicillin ........ is an ........ process
(iv) ........ of liquids that have ........ boiling points
is carried out by distillation.
(v) Ethyl alcohol has many uses such as ........ and
Section-B
Note: Attempt any five questions from this section :
Q2.
Q3.
Q4.
Q5.
(10x5 =50)
Give a brief outline of bioprocess with process ?ow
diagram.
How do you recover glutamic acid from the fermented
mash ?
Mention any two solid?liquid separation operations with
a simple ?gure of each, showing inlet stream (mixed
feed) and outlet streams (solid and liquid).
Discuss the principle of chromatography for product
. puri?cation.
(2)
Q6.
Q7.
Q8.
Q9
Differentiate between Stoke?s law and Dairey?s law.
What are the advantages of membrane technologies over
other methods.
A binary system (alcohol and HZO) has following volumetric
composition. Convert it into molar composition.
CzHSOH = 7.0%
H20 = 93.0%
Give the salient points of adsorption in connection with
product isolation.
Section-C
Note :Attempt any two questions from this section. (15x2=30)
Q10. Describe the recovery of citric acid from the fermented
work with a neat ?ow diagram.
Q1 1. Discuss the working of rotary drum vacuum ?lter as solid-
liquid separation operation. Give the mathematic expression
for overall batch cycle time.
Q12. Explain the following :
(a) Problems and requirements of bioproduct puri?cation.
(b) Design aspects of sedimentation tank.
(3) EBT-701/ 1000