GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
Seat No.: Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VII (New) EXAMINATION - WINTER 2019
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Subject Code: 2173901 Date: 23/11/2019
Subject Name: Application of CNT and Metallic Nanoparticles
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.
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| MARKS | |
|---|---|
| Q.1 (a) Explain Magic Numbers of Metal Nanoclusters. | 03 |
| (b) Define Metal Nanoparticles and Mention Different Technique for synthesis. | 04 |
| (c) Explain the Structure of CNT with Figure. (Type, Chiral angle, Unite cell, No. of Carbon atoms, Diameter) | 07 |
| Q.2 (a) Mention Different Synthesis Technique for CNT and also Purification Methods. | 03 |
| (b) Explain Mechanical and Vibrational Properties of CNT. | 04 |
| (c) Write a short note on Reverse Micelle Synthesis. | 07 |
| OR | |
| (c) Explain all the Type of Wet Chemical Synthesis Technique. | 07 |
| Q.3 (a) Describe Heat Transport Properties of CNT. | 03 |
| (b) Briefly Describe Line Group, Basics of SWNT and DWNT. | 04 |
| (c) Describe Geometric and Electronic Structure of Metal Nano Particles. | 07 |
| OR | |
| (a) Describe Briefly any Three Biological-Applications of CNT. | 03 |
| (b) Write a Short note on Nobel Metal Nano Particles. | 04 |
| (c) Mention and Describe any Five Properties of Carbon Nanotubes. | 07 |
| Q.4 (a) Describe Phase Transfer Method and Electrochemical Method for MNPs’ Synthesis. | 03 |
| (b) Differentiate Between Batch and flow reaction in Hydrothermal Synthesis. | 04 |
| (c) Write a Short Note on Metal Nano particles, its Synthesis, Importance of stabilization and field of Application. | 07 |
| OR | |
| (a) Explain Solar energy based Application of MNPs. | 03 |
| (b) Write a Short note on Optical Properties of CNT. | 04 |
| (c) Describe Stabilization Mechanism of Metallic Nanoparticles and its types. | 07 |
| Q.5 (a) Define Dative Bond. | 03 |
| (b) Describe Mechanical Application of CNT. | 04 |
| (c) Describe Medical Application of Metallic Nano Particles. | 07 |
| OR | |
| (a) Explain Application of CNT in Electronics and Energy. | 03 |
| (b) Define Zeta Potential and Hence DLVO Theory | 04 |
| (c) Define Super Critical water and hence Explain Hydrothermal Synthesis for MNPs. Also Define Solvothermal Synthesis. | 07 |
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