GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
Subject Name: Textile & Metal Reinforcement of Elastomers
Time: 10:30 AM TO 01:00 PM
Date: 11/12/2018
Total Marks: 70
Subject Code: 2152603
GUJARAT TECHNOLOGICAL UNIVERSITY
--- Content provided by FirstRanker.com ---
BE - SEMESTER-V (NEW) EXAMINATION - WINTER 2018Subject Name: Textile & Metal Reinforcement of Elastomers
Time: 10:30 AM TO 01:00 PM
Date: 11/12/2018
Total Marks: 70
--- Content provided by FirstRanker.com ---
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) Write about basic chemistry of Aramid in brief. | 03 |
| (b) Give reaction mechanism for synthesis of regenerated cellulose. | 04 | |
| (c) Discuss about various stages during journey of cotton from farm to fabric. | 07 | |
| Q.2 | (a) How Twist directions affect the luster of fabric? | 03 |
| (b) Write about any one method for production of Non-woven fabric. | 04 | |
| (c) Draw the schematic diagram showing principle of Weaving and explain it. | 07 | |
| OR | ||
| (c) Mention different types of fabric weaves. Explain about any two weave designs with diagram. | 07 | |
| Q.3 | (a) Give the basic mechanism of Peeling test. | 03 |
| (b) Write about the Direct tension testing of rubber to fabric adhesion. | 04 | |
| (c) Name the machine used for Heat setting and Adhesive treatment of Fabric. Explain the process of any one with schematic diagram. | 07 | |
| OR | ||
| (c) How Peeling can be carried out by Dead-Weightloading? | 03 | |
| (b) Write about Peel test involving multi-ply constructions. | 04 | |
| (c) Discuss about different types of Adhesives pretreatments for Polyester. | 07 | |
| Q.4 | (a) Why we use fibre filled compound? | 03 |
| (b) “Mixing of short fibre is important parameter” justify the statement. | 04 | |
| (c) Discuss the application of santoweb. Short fibers in detail. | 07 | |
| OR | ||
| (a) Draw the mechanism of Bonding. | 03 | |
| (b) Give the difference between Coating and Dipping. | 04 | |
| (c) Explain the different properties of Fibre filled compound in detail. | 07 | |
| Q.5 | (a) Write the Limitations of Adhesive Bonding. | 03 |
| (b) List out the chemical factors influencing adhesive action. Explain any one in detail. | 04 | |
| (c) Explain the “Ebonite Bonding Process” in detail. | 07 | |
| OR | ||
| (a) Give the Applications of Adhesive. | 03 | |
| (b) Write about the different treatments done on various metals and alloys. | 04 | |
| (c) Explain the “Isocyanate Bonding” in detail. | 07 |
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
--- Content provided by FirstRanker.com ---