Download GTU B.Tech 2020 Winter 5th Sem 3150301 Biomaterial And Implants Question Paper

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Subject Code: 3150301

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE- SEMESTER-V (NEW) EXAMINATION - WINTER 2020
Subject Name: Biomaterial and Implants
Time: 10:30 AM TO 12:30 PM
Total Marks: 56

Instructions:

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1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Define the following terms: (i) Biocompatibility (ii) Bioresorbable material [03]
(b) Enlist the mechanical properties of Biomaterials and discuss two of them in brief. [04]

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(c) Explain Metallic Corrosion process in detail with electrochemical reactions and necessary schematics. [07]

Q.2 (a) Give properties of Nitinol and their medical applications. [03]
(b) Write a short note on Dental Amalgam. [04]
(c) Explain Total Hip Replacement in detail with neat diagram. [07]

Q.3 (a) Define Polymerization and enlist the types of polymerization process. [03]

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(b) Write a short note on Glass Ceramics. [04]
(c) Explain the types of Stainless Steel alloys with its composition, properties and applications. [07]

Q.4 (a) Define Bioceramics and give the classification of Bioceramics in brief. [03]
(b) Write a short note on Hydrogel. [04]
(c) Explain the types of Cobalt based alloys with its composition, properties and manufacturing process. [07]

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Q.5 (a) Give the Biomedical applications of PMMA. [03]
(b) Discuss the adverse biological effects of Implants on Human body. [04]
(c) Explain Artificial Heart valve in detail with necessary diagrams. [07]

Q.6 (a) What is Composite Biomaterials? Enlist the different types of composite materials. [03]
(b) Explain Vascular grafts with its application. [04]

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(c) Explain Contact lenses and Intra Ocular Lenses (IOL) in detail. [07]

Q.7 (a) Give the difference between Atactic and Isotactic structure of polymers. [03]
(b) Write short note on Bio-inert Ceramics. [04]
(c) Explain different Structural arrangements of Polymer in detail with necessary diagram. [07]

Q.8 (a) Define: Glass Transition Temperature & Melting Temperature. [03]

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(b) Describe Structure & properties of Particulate Composites. [04]
(c) Explain methods for testing and evaluating Biocompatibility of Biomaterials. [07]

Date: 27/01/2021