Download SGBAU B-Tech 4th Sem Oil And Paint Tech I Question Paper

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B.Tech. Fourth Semester (Food, Pulp & Paper, Oil & Paint & Petro Chem.)

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11015 : Oil & Paint Technology-I

Time : Three Hours Max. Marks : 80

Notes :

1. Answer three questions from Section A and three questions from Section B.
2. Due credit will be given to neatness and adequate dimensions.

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3. Discuss the reaction, mechanism wherever necessary.
4. Use of pen Blue/Black ink/refill only for writing the answer book.

SECTION - A

1. Give an account of systematic name, structure, sources & uses of following fatty acids. (13)
   1. Oleic acid
   2. Stearic acid

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   3. Ricinoleic acid
   4. Linoleic acid
   5. Linolenic acid

OR

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2. Discuss about the non glyceride components of oils & fats w.r.t. (13)
   1. Having nutritional significance.
   2. Components affecting stability.
3. Define Acid value, also state their significance. How will you determine acid value in your laboratory ? What precautions will you take ? (13)

OR

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4. Define oils & fats, discuss the nutritional function of oils & fats in detail. (13)
5. Give an account of isomerisation in mixed triglyceride in detail. (14)

OR

6. Discuss about any two. (14)
   1. PV value
   2. Polymerisation reaction.

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   3. Industrial uses of oil & fats.

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7. Give an accounts of natural & synthetic antioxidants with their structure in detail. (13)

OR

8. Discuss the Baily's classification of oil & fats in detail. Discuss about oleic linoleic group with examples. (14)
9. Define the term Rancidity of oils & fats. Describe the mechanism of autoxidation. (14)

OR

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10. How will you check the adulteration in oils & fats by -
    1. Baudouin test
    2. Halphen test
    3. Bellers turbidity test
    4. Mineral oil test

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11. Give an account of IST specification of -
    1. Vegetable oils
    2. Oil seeds
    3. Vanaspati
    4. DOC

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OR

12. Discuss about any two.
    1. Atmospheric Oxidation
    2. Saturated fatty acids
    3. Phospholipids

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