Download GTU B.Tech 2020 Winter 5th Sem 3152510 Manufacturing Technology Ii Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3152510 Manufacturing Technology Ii Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3152510 Date:27/01/2021
Subject Name:Manufacturing Technology - II
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS
Q.1 (a) State the importance of the manufacturing processes.
03

(b) Define manufacturing process and give the broad classification of the
04
manufacturing process.

(c) Define the term pattern. List out various pattern materials and explain with
07
their advantages and limitation.
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
04
sketch.

(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
04
sketch.

(c) Differentiate between soldering and brazing.
07
Q.5 (a) Define the following terms: i) Ingot ii) Slab iii) Bloom
03

(b) Distinguish hot working process and cold working process with merit and
04
demerits.

(c) Derive the equation for the roll bite angle.
07



Q.6 (a) Define the following metal working processes i) Embossing ii) Bending iii)
03
Spinning .

(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: i) Lapping ii) Honing iii) Buffing
03
(b) Explain extrusion process for thermosetting plastic.
04
(c) Write short note on powder coating.
07

*************
1

---