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

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NBT-023

(Following Paper ID and Roll No. to be filled in your Answer Books)

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Paper ID : 154668

Roll No.

B.TECH.

Theory Examination (Semester-VI) 2015-16

BIOFUELS & ALCOHOL TECHNOLGY

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Time: 3 Hours

Max. Marks: 100

Section-A

Q.1. Attempt all parts. All parts carry equal marks. Write answer of each part in short. (2×10=20)

1. Discuss Turbidostat and chemostat.

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2. Explain Encelium process.
3. Discuss Alcoholometry in brief.
4. What is "proof" in alcohol industry?
5. Define the diastatic power of the malt.
6. Why corn kernels are steeped?

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7. What is the different yeast strains used in alcohol industry?

P.T.O.

Section-B

Note: Attempt any two questions from this section.

Q.2. Attempt any five parts. All parts carry equal marks: (5×10=50)

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1. Explain batch fermentation in detail.
2. Describe syngas fermentation.
3. Give a detailed explaination of grain dry milling for alcohol production.
4. Describe single cell protein.
5. Discuss thermal gasification.

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Q.3. Give a vivid explanation of Biostil fermentation. (2×15=30)

Q.4. Discuss in detail stress factors encountered in the yeast cell growth.

Q.5. Describe baker's yeast production.

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