GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Name: Manufacturing Technology - I
Time: 10:30 AM TO 12:30 PM
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Subject Code: 3152510
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-V (NEW) EXAMINATION - WINTER 2020
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Subject Name: Manufacturing Technology - I
Time: 10:30 AM TO 12:30 PM
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Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| MARKS | ||
|---|---|---|
| Q.1 | (a) State the importance of the manufacturing processes. | 03 |
| (b) Define manufacturing process and give the broad classification of the manufacturing process. | 04 | |
| (c) Define the term pattern. List out various pattern materials and explain with their advantages and limitation. | 07 | |
| Q.2 | (a) Define the term (i) Refractoriness (ii) Permeability (iii) Collapsibility | 03 |
| (b) Enlist the elements of gating system and state its function. | 04 | |
| (c) Explain cupola furnace with its sketch and also describes all zones. | 07 | |
| Q.3 | (a) Define welding and state the basic requirements of every welding process. | 03 |
| (b) Describe the types of flame obtained in oxyacetylene gas welding with neat sketch. | 04 | |
| (c) Differentiate between MIG and TIG welding process. | 07 | |
| Q.4 | (a) Classify resistance welding processes. | 03 |
| (b) Differentiate between forehand and Backhand welding techniques with neat sketch. | 04 | |
| (c) Differentiate between soldering and brazing. | 07 | |
| Q.5 | (a) Define the following terms: 1) Ingot ii) Slab iii) Bloom | 03 |
| (b) Distinguish hot working process and cold working process with merit and demerits. | 04 | |
| (c) Derive the equation for the roll bite angle. | 07 | |
| Q.6 | (a) Define the following metal working processes 1) Embossing ii) Bending iii) Spinning. | 03 |
| (b) Explain the spring back effect. | 04 | |
| (c) Define drawing process and explain drawing operations with sketch. | 07 | |
| Q.7 | (a) Classify plastic material. | 03 |
| (b) Explain barrel tumbling process. | 04 | |
| (c) Describe the injection moulding process of plastic with neat sketch. | 07 | |
| Q.8 | (a) Define the following terms: 1) Lapping ii) Honing iii) Buffing | 03 |
| (b) Explain extrusion process for thermosetting plastic. | 04 | |
| (c) Write short note on powder coating. | 07 |
Date: 27/01/2021
Total Marks: 56
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