Download GTU B.Tech 2020 Winter 6th Sem 2162508 Metal Forming Technology Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 6th Sem 2162508 Metal Forming Technology Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VI (NEW) EXAMINATION ? WINTER 2020
Subject Code:2162508 Date:22/01/2021
Subject Name:Metal Forming Technology
Time:02:00 PM TO 04:00 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) Define a) Slip b) Twinning
03

(b) Explain the factors affecting the strain rate
04

(c) Explain the differences of hot and cold working processes in detail.
07


Q.2 (a) Describe various Rolling defects.
03

(b) Explain the process of Ring rolling with a neat sketch
04

(c) Explain Two-High, Three-High & Four-High Rolling Mill with neat
07
sketch.




Q.3 (a) Explain working of planetary rolling mill with sketch.
03

(b) Mention some of the advantages of forging over casting process.
04

(c) Explain the piercing method of pipe and tube manufacturing by extrusion.
07




Q.4 (a) Classify various types of forging process.
03

(b) Write a short note on forging defects.
04

(c) Differentiate Forward and backward Extrusion in detail with sketch.
07

Q.5 (a) Explain Cold Heading process.
03

(b) What is Bending? Compare Edge bending, V-bending and U-bending.
04

(c) Sketch and Compare Wire Drawing with Rod/Bar Drawing.
07



Q.6 (a) Explain Rotary Swaging process
03

(b) Differentiate between coining and embossing process.
04

(c) Explain Open and Closed Die Forging processes.
07

Q.7 (a) Distinguish between Blanking and Piercing process.
03

(b) Sketch and explain Deep drawing.
04

(c) Explain the principle of Hydrostatic Extrusion process with a neat sketch.
07


Q.8 (a) Classify the sheet metal forming process.
03
(b) Write a short note on metal forming process with its merits and demerits.
04
(c) Mention the process steps involved in high velocity forming of metals and
07
bring out its positive features, limitations and applications.

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