Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
ME SEMESTER-1 EXAMINATION WINTER 2018
Subject Code: 3710807 Date: 04/01/2019
Subject Name: Advanced Materials Processing Techniques
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 mark.
Q-1

Mention the need and broad Classification of the non-conventional machining processes based on the nature of energy used for material removal.
07

Explain the material removal mechanism of electrochemical type non-traditional machining with neat sketch.
07
Q-2

Enlist the advantages of simulation of non-conventional processes.
07

Discuss the tool design criteria of electrochemical machining process.
07
OR

Enlist the advantages and disadvantages of thermal type nonconventional machining processes.
07
Q-3

Explain the working principle of abrasive flow finishing process with sketch.
07

Enlist the applications of magnetic abrasive finishing process.
07
OR
Q-3

Explain the working principle of magneto rheological abrasive finishing process with sketch.
07

Write the short note on electro hydraulic forming process.
07
Q-4

What is micromachining? Discuss how the micro-EDM defers from EDM?
07

Enlist the process parameters of powder rolling process and discuss the effect of individual parameter.
07
OR
Q-4

Write the difference between hot and cold isostatic pressing with example.
07

What do you mean by hybrid micromachining? Justify the idea of hybridization in micromachining with suitable example.
07
Q-5

Explain in brief the principles of laser material removal with neat sketch.
07

Write the difference between transmission electron microscope and scanning electron microscope.
07
OR
Q-5

Write the advantages and disadvantages of LIGA.
07

Enlist the industrial applications of laser in manufacturing.
07