Download GTU BE/B.Tech 2019 Winter 6th Sem Old 162503 Metal Forming Processes Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 6th Sem Old 162503 Metal Forming Processes Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VI (Old) EXAMINATION ? WINTER 2019
Subject Code: 162503 Date: 11/12/2019

Subject Name: Metal Forming Processes

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Explain the Types of fractures and its influence in service life of part. 07
(b) Explain the metal forming processes. Write its advantages, disadvantages and
applications.

07

Q.2 (a) With the help of schematic diagram explain slip and twinning mechanism that
cause plastic deformations in metals and alloys.
07
(b) Explain Fatigue failure curves and method to improve fatigue Resistance.

07
OR
(b) Explain the Stress strain relations in elastic and plastic deformation. 07

Q.3 (a) Explain Tube production by rolling processes. 07
(b) Explain the Hot and Cold Working Processes and Its Effect on Mechanical
Properties.

07
OR
Q.3 (a) Classify the Rolling mills and Explain any two. 07
(b) How calculate the Rolling Load? Explain 07

Q.4 (a) Explain the Defects and Properties of Forged Products. 07
(b) Explain the Force Analysis in forging process. 07
OR
Q.4 (a) Differentiate forward extrusion and backward extrusion with neat sketch. 07
(b) Explain the principal of metal spinning with neat sketch. 07

Q.5 (a) Classify the Drawing processes. Explain Tube of Wire Drawing Process. 07
(b) Explain the process of press brake forming.

07
OR

Q.5 (a) Explain the Hydrostatic Extrusion. Write its merits and demerits. 07
(b) Explain the High Velocity Forming and High Energy Rate Forming of metals. 07

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