GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VI(NEW) - EXAMINATION - SUMMER 2019
--- Content provided by FirstRanker.com ---
Subject Code: 2163901 Date: 10/05/2019
Subject Name: Coating Technology
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
MARKS
Q.1 (a) Define Laser Cladding. 03
(b) Explain Conductive Coating with some Applications. 04
--- Content provided by FirstRanker.com ---
(c) Describe Surface Engineering and Hence Explain (i) Changing Surface Metallurgy (ii) Changing Surface Chemistry (iii) Adding a Surface Layer. 07
Q.2 (a) Describe Ellipsometry for Characterization of Nanocoating. 03
(b) Write Full form of DLC and Hence write Applications of DLC films. 04
(c) Describe Laser Surface Alloying and Its Mixing Mechanism. 07
OR
--- Content provided by FirstRanker.com ---
(c) Explain Organic Coating and Anodizing. 07
Q.3 (a) Define Electrophoretic Deposition. 03
(b) What is Anti-Friction Coating? Write its Applications 04
(c) Write a short note on Galvanizing and its types. 07
OR
--- Content provided by FirstRanker.com ---
Q.3 (a) Describe Anti-Scratch Coating and How it Works Briefly. 03
(b) Describe Wear and Its type briefly. 04
(c) Explain Wear and Wetability of Surface. 07
Q.4 (a) Explain Non-Metallic Coating. 03
(b) Define Coating. Write its Advantages and Disadvantages. 04
--- Content provided by FirstRanker.com ---
(c) Describe Sol-Gel Coating and Radiation Cured Coating. 07
OR
Q.4 (a) Define Electron Beam Hardening and its Uses. 03
(b) Explain Basic Setup of Laser Cladding With Diagram. 04
(c) Describe Surface Tension and Contact Angle. Write Application of coating. 07
--- Content provided by FirstRanker.com ---
Q.5 (a) Explain Ion Beam Implantation. 03
(b) Describe Electroplating and it’s Working Principle. 04
(c) Describe Working Principle, Types and Application of Electrophoretic Deposition. 07
OR
Q.5 (a) What are Applications of Nanocoating? 03
--- Content provided by FirstRanker.com ---
(b) Describe Metallic Coating. 04
(c) Mention and Describe any two Techniques used for Characterization of Coating. 07
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University