Download AKTU B-Tech 3rd Sem 2015-2016 EBT 032 Biofuels Alcohal Technology Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 3rd Semester (Third Semester) 2015-2016 EBT 032 Biofuels Alcohal Technology Question Paper

Printed Pages: 3 126 EBT-032
(Following Paper ID and Roll No. to be ?lled in your
Answer Book)
Roll No.
B. Tech.
(SEM. 111) THEORY EXAMINATION, 2015-16
BIOFUELSSLALCOHALTECHNOLOGY
[Time:3 hours] [Maximum Marks:100]
SECTION?A
Attempt all parts. All parts carry equal marks. Write answer of
each part in short. (10 X 2:20)
1. (a) Write the name of fermentation if cabbage is used
as substrate.
(b) Explain Gasohol.
(c) What do you understand by fermentation
ef?ciency?
((1) Describe top yeast & bottom yeast.
(e) What do you mean by syngas fermentation?
(f) Write three BIOS factors necessary for yeast
_#M_?????-~growth.
700 (1) P.T.O.

(g) Discuss denatured alcohol.
(h) What do you meanby proofspirit?
(i) What is E-number?
(j ) De?ne fuse] oil.
(k) Give the name of some by products produced during
alcoholic fermentation.
(1) De?ne Encillium process.
(m) What do you mean by chemostat?
(n) De?ne single cell protein with one example.
SECTION-B
Attempt any ?ve questions from this sections. (5 x 10:50)
2.
Describe various yeast strains used in breweries. What
are the various parameters which affect the yeast
growth?
What do you understand by biostill fermentation?
Describe in brief with examples.
Describe the importance of aeration and agitation in
alcohol fermentation.
(2) EBT-032
De?ne Crabtree Effect in detail. How it affects alcohol
production?
Discuss the criteria for selecting the microorganisms
for industrial production?
Describe advantages, disadvantages of using alcohol
as biofuel.
De?ne Fennentation. State its various applications.
Describe the procedure of estimation of speci?c
gravity of beer.
SECTION-C
Attempt any two questions ?'om this section. (15 X2=30)
10.
ll.
12.
What are the various raw materials used for ethanol
production? Discuss the production process of ethanol
form molasses with a ?ow diagram.
Write a detailed note on thermal gasi?cation of
biomass.
Write an essay on ?F ood Vs F uel?.
(3) EBT-032