Download PTU B.Tech 2021 Jan Food-Technology 5th Sem 78650 Oils And Fats Processing Technology Question Paper

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B.Tech. (Food Technology) (Sem.=5)

OILS & FATS PROCESSING TECHNOLOGY

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Subject Code : BTFT-505

M.Code : 78650

Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.

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2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

Answer briefly :

1. a) Why coconut oil exists in solid state at room temperature?
   

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   b) Why does unsaturated fat exist as liquid at room temperature?
2. What are the problems encountered during storage of Rice Bran?
3. Define the terms acidolysis and alcoholysis.
4. What is the process of winterization?
5. What do you understand by term oxidative rancidity?

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6. What is shortening? What are the advantages of its utilization in bakery products?
7. What is the difference in lard and tallow?
8. Define saponification number, iodine value and smoke point.
9. What is the importance of melting point and geometric isomerism in fats?
10. What are omega fatty acids? What is the importance of these fatty acids?

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SECTION-B

11. Write about the intersterification process. What are applications of intersterified products?
12. Distinguish between acid value and Reichert-Meissl number.
13. Mention the two processing steps undertaken to prevent crystallization and settling of chilled oils.

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14. Explain in detail the process of hydrogenation of oils.
15. Elaborate the process of deodorization of oils.

SECTION-C

16. Explain the extraction procedure of Rice Bran Oil with flow diagram. How protein isolate can be recovered from mustard seed? Describe the flow sheet.
17. What do you understand by the term Cocoa butter substitute? How cocoa butter substitute is produced from natural vegetable oil?

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18. Write about the major byproducts of oil processing industry along with their uses. Write down the method of production of butter oil.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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