PO010803 Speciality Polymers B.Tech Model Question Paper : mgu.ac.in

Name of the College : Mahatma Gandhi University
Department : Polymer Engineering
Subject Code/Name : PO010803/Specialty Polymers
Sem : VIII Seemster
Year : 4th Year
Website : mgu.ac.in
Document Type : Model Question Paper

Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/4992-PO%20010%20803%20Speciality%20Polymers.pdf

Speciality Polymers Model Question Paper :

VIII Sem. B. Tech. Polymer Engineering Degree Examination
Time: 3Hours
Maximum Marks: 100

Related : MGU PO010802 Rubber Products Design & Testing B.Tech Model Question Paper : www.pdfquestion.in/4991.html

Part A :
(Answer all questions)
(Each question carries 3 marks)
1. What are the structural requirements for high temperature resistance of polymers?
2. With an example define conducting polymers
3. Define photoresist with its importance
4. With an example define ionic polymers
5. What is meant by liquid crystalline behavior? What type of polymers exhibit this phenomenon?
(3×5 =15)

Part B :
(Answer all questions)
(Each question carries 5 marks)
6. What are the general methods to improve the high temperature resistance of polymers?
7. Briefly define the conduction mechanism in polymers
8. Define the nonlinear optical properties of polymers
9. Briefly mention on the classification of ionic polymers
10. What are the different types of LCPs
(5×5 =25)

Part C :
(Answer either a OR b)
(Each question carries 12 marks)
11(a) Discuss on:
(i)Burning mechanism of polymers (ii) fluoropolymers (iii) polysulfones
(6+3+3)
OR
(b) Write notes on:
(i) Need for high temperature resistant polymers (ii) LOI
(iii) Polyimides

12(a) Discuss on the major electrical and electronic properties of polymers
OR
(b) Write notes on:
(i) Applications of conducting polymers (ii) Polypyrrole
(iii) Piezoelectric polymers

13 (a) Discuss on semiconductor fabrication by the use of negative working and positive working photoresist
OR
(b) Write notes on:
(i) electron beam lithography (ii) optical fibre telecommunication cable (6+6)

14(a) Discuss on the important physical properties and major industrial applications of ionic polymers
OR
(b) Write notes on:
(i) ionomers based on polystyrene (ii) elastomeric ionomers
(iii) ionomers based on PTFE

15(a) why polymers show liquid crystalline behavior? What are the important properties and aapplications of LCPs
OR
(b) Write notes on LCPs based on:
(i) organometallic polymers (ii) inorganic polymers (12×5 =60)

B.Tech Degree Examination, May 2014 :
Eighth Semester
Branch : Production Engineering
PE 010 801 – Composite Materials And Manufacturing
Model Question Paper : (Regular-New Scheme-2010)
Time : Three Hours
Maximum : 100 marks
Part A :
Answer all questions
Each question carries 3 marks
1. Give a brief historical review of composite materials?
2. Epoxy is most common type of matrix material. Why?
3. What are the applications of metal matrix composites?
4. What is ceramic matrix composite? What are their advantages?
5. What is role of plasma coating in composite? (5 X 3 = 15 marks)

Part B :
Answer all questions
Each question carries 5 marks
6. Write the conventional fabrication procedure for glass fibers?
7. Make a comparison between thermoplastic and thermosets?
8. What is metal matrix composite? What are their advantages?
9. Give a short note on reaction bonding process?
10. Give a short note on welding of thermoplastic? (5 X 5 = 25 marks)

Part C :
Answer any one full question from each module
Each full question carries 12 marks
11. (a) What is a composite? How are composite classified?
(b)What are the advantage, disadvantage and application of composite materials?
Or

12. (a) What are boron fibers? Write the process for fabrication of boron fibers? Write its applications?
(b) What are aramid fibers? Write the process for fabrication of aramid fibers? Write its applications?

13. What are whiskers? Write the process by which whiskers are produced and its applications?
Or
14. Give notes on
(a) Pultrusion
(b) Diaphragm forming

15. Explain the following
(a) Duralcan process
(b)Squeeze casting
Or
16. Give notes on
(a) Diffusion bonding
(b) In situ process

17. Describe two manufacturing methods of ceramic matrix composite?
Or
18. Explain the following
(a) Liquid phase sintering
(b) Self propagating high temperature synthesis

19. Explain the post processing operations in composite materials?
Or
20. Give notes on
(a) Ultrasonic welding
(b) Laser machining (5 X 12 = 60 marks)