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Download GTU B.Tech 2020 Winter 7th Sem 2172107 Surface Coating Technology Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 7th Sem 2172107 Surface Coating Technology Previous Question Paper

This post was last modified on 04 March 2021

Tags:GTUB.Tech2020 Winter7th SemesterSurface Coating TechnologyQuestion Paper2172107Gujarat Technological UniversityDownloadPDF
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GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University


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Subject Code: 2172107

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
Subject Name: Surface Coating Technology
Time: 10:30 AM TO 12:30 PM
Total Marks: 56
Date: 21/01/2021

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Instructions:

  1. Attempt any FOUR questions out of EIGHT questions.
  2. Make suitable assumptions wherever necessary.
  3. Figures to the right indicate full marks.
    1. Discuss the importance of surface engineering. (03)

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    2. Explain sand blasting process for surface preparation. (04)
    3. Give a detailed classification of coatings with properties and applications. (07)
    1. Give applications and limitations of anodizing. (03)
    2. What is anodizing? Explain why anodizing is best suited for aluminum. (04)

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    3. What is phosphating? Explain the phosphating process. (07)
    1. Explain, how properties get improved with carburizing. (03)
    2. Explain factors affecting electrodeposition. (04)
    3. Explain galvanizing in detail. (07)

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    1. Mention galvanizing process controlling factors. (03)
    2. Write short note on chromizing. (04)
    3. Discuss electroplating process with neat sketch of setup used. (07)

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    1. What is Boronizing process? List out applications. (03)
    2. What do you mean by Surface composites? Explain how they differ from normal composites. (04)
    3. Explain sputtering method of Physical vapour Deposition. (07)
    1. Give the difference between physical vapor deposition and chemical vapor deposition. (07)

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    1. Explain how multicomponent deposition is carried out in physical vapor deposition. (03)
    2. Explain ion implantation method. (04)
    3. Mention factors affecting bond strength in thermal spray coating. (07)

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    1. Explain effect of spray gun on coating structure and properties. (03)
    2. Explain plasma spray coating method. Give advantages and applications. (04)
    3. Mention the advantages of thermal spraying over other coating techniques. (07)
    1. Briefly discuss solid (pack) carburizing. (03)

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    2. Explain the thermal spray coating processes. Give its applications. (04)

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This post was last modified on 04 March 2021