GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Code: 2152603
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-V (NEW) EXAMINATION - SUMMER 2019
Subject Name: Textile & Metal Reinforcement of Elastomers
Time: 02:30 PM TO 05:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q.No | Question | Marks |
|---|---|---|
| 1. | List out the technical advantages and limitations of Kevlar Aramid fiber. | 03 |
| 2. | Give the classification of fibers. | 04 |
| 3. | Explain the manufacturing process of Rayon fiber in detail. | 07 |
| 4. | Write the chemical properties of cotton fiber. | 03 |
| 5. | What do you mean by Composites? List the application of rubber textile composite products with their advantages. | 04 |
| 6. | Explain the manufacturing process of Polyester in detail. | 07 |
| OR | ||
| 7. | Short note on “Weaving”. | 07 |
| 8. | “Fiber will increase the reinforcement” justify the statement. | 03 |
| 9. | Write a brief note on weft knitting. | 04 |
| 10. | Discuss the application and properties of rubber fiber composite. | 07 |
| OR | ||
| 11. | Give the importance of the knitting process. | 03 |
| 12. | Write in brief about the melt bonding process: | 04 |
| 13. | Discuss the different fabric construction pattern in detail. | 07 |
| 14. | Explain the term: “Coating” | 03 |
| 15. | Draw the geometry of peeling test-and write the expression of Kaelble. | 04 |
| 16. | Explain the stenter fabric treatment unit in detail. | 07 |
| OR | ||
| 17. | Draw the diagram of Spreading process. | 03 |
| 18. | Write in brief about T-peel test. | 04 |
| 19. | Discuss the adhesive treatment for rayon fabric. | 07 |
| 20. | Give the limitations of adhesive bonding. | 03 |
| 21. | List out the chemical factors influencing adhesive action. Explain any one in detail. | 04 |
| 22. | Short note on “Special Bonding agents”. | 07 |
| OR | ||
| 23. | List out the points for development of adhesive strength. | 03 |
| 24. | Write about the metal preparation of metal in brief. | 04 |
| 25. | Explain the “Isocynate bonding” system in detail. | 07 |
Date: 20/06/2019
Total Marks: 70
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