Download AKTU B-Tech 6th Sem 2015-2016 NBT 023 Biofuels Alcohol Technolgy Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 6th Semester (Sixth Semester) 2015-2016 NBT 023 Biofuels Alcohol Technolgy Question Paper

Printed Pages: 3 NBT?023
(Following Paper ID and Roll No. to be ?lled in your
Answer Books)
PaperlD:154668 RollNo.| I | | | I I l I I
B.TECH.
Theory Examination (Semester?VI) 2015-16
BIOFUELS & ALCOHOL TECHNOLGY
T ime : 3 Hours Max. Marks : 100
S?ction-A
Q.l. Attempt all parts. All parts carry equal marks. Write
answer of each part in short. (2X10=20)
(a) Discuss Turbidostat and chemostat.
(b) Explain Encelium process.
(c) Discuss Alcoholometry in brief.
((1) What is "proof? in alcohol industry?
(e) De?ne the diastatic power of the malt.
(f) Why corn kernels are steeped?
(1) P.T.O.
2705/204/22/550

(g)
(h)
(i)
0)
Give the name of the enzymes used in sacchari?cation
process and also mention condition of temperatue and
pH for the same.
Discuss the formation of the beerstone in a fermenter.
Fermentation is an anaerobic or aerobic process and
why?
What is the different yeast strains used in alcohol indus-
11y?
Section-B
Q.2. Attempt any ?ve parts. All parts carry equal marks:
(a)
(b)
(C)
(d)
(e)
(5 X 1 0:50)
Explain batch fermentation in detail.
Describe syngas fermentation.
Give a detailed explaination of grain dry milling for alco-
hol production.
Describe single cell protein.
Discuss thermal gasi?cation.
(2)
2705/204/22/550
(f) Explain ?lSCl oil separation with labeled diagram. ?
(g) Elucidate the steps of the wet milling involved in alcohol
production.
(h) Which parameters are considered for distillery quality
control ?
Section-C
Note: Attempt any two questions from this section.
(2X15=30)
Q.3. Give a vivid explanation of Biostil fermentation.
Q.4. Discuss in detail stress factors encountered in the yeast cell
growth.
Q.5. Describe baker?s yeast production.
(3)
2705/204/22/550