Name of the College : Mahatma Gandhi University
Department : Polymer Engineering
Subject Code/Name : PO 010 804 L 01/Adhesive Technology
Sem : VIII
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/4993-PO%20010%20804%20L%2001%20Adhesive%20Technology.pdf
Adhesive Technology Model Question Paper :
VIII Sem. B. Tech. Polymer Engineering Degree Examination
Mahatma Gandhi University
Time: 3Hours
Maximum Marks: 100
Related : MGU PO010803 Speciality Polymers B.Tech Model Question Paper : www.pdfquestion.in/4992.html
Part A :
(Answer all questions)
(Each question carries 3 marks)
1. Explain the thermodynamic concept of wettability in adhesives
2. With an example define primer
3. Define hot melt adhesives. What are the advantages and limitations?
4. Define structural adhesives with examples
5. Mention the different types of adhesive joints
(3×5 =15)
Part B :
(Answer all questions)
(Each question carries 5 marks)
6. Differentiate between adhesive failure and cohesive failure of the adhesive
7. Differentiate between high energy and low energy surfaces
8. Define pressure sensitive adhesives
9. Briefly mention on the use of adhesives in electrical industry
10. Mention the general principles followed in the design of adhesive bonds for optimum bond strength
(5×5 =25)
Part C :
(Answer either a OR b)
(Each question carries 12 marks)
11(a) What are the advantages and disadvantages of adhesive bonding over other conventional methods of joining
OR
(b) Write notes on:
(i) Work of adhesion (ii) Rheology of adhesion
(iii) Effect of Tg on adhesion
12(a) Discuss the various surface preparation techniques prior to adhesive bonding
OR
(b) Discuss on the various theories of adhesion
13 (a) Write notes on:
(i) classification of adhesives based on the method of cure
(ii) Natural adhesives
OR
(b) Write notes on:
(i) cyanoacrylate adhesive (ii) anaerobic adhesives
(iii) polyvinyl acetate adhesives
14(a) (i) Formulate an epoxy resin adhesive with the function of each ingredient
(ii) use of adhesives in automobile industry
OR
(b) What are structural adhesives? Discuss the preparation, properties and applications of phenolic resin adhesives
15(a) (i) What are the standard test methods for determining the strength of adhesive joints?
(ii) what precautions should be taken for maximum effectiveness of adhesive bonds (8+4)
OR
(b) Compare the different joint geometries in adhesive bonds (12×5 =60)
B.Tech Degree Examination :
VI Sem B.Tech Polymer Engineering :
PO010 606L01 : Biomedical And Biopolymers
Part A :
(Answer all questions)
Time : 3hours Max Marks:100
1. Define biomaterials.
2. Give note on polymeric blood.
3. Give note on hydrogels.
4. Give note on crown and bridge resins.
5. Give the structure of DNA. (5X3=15)
Part B :
(Answer all questions)
6. Explain different sterilisation methods.
7. Explain blood clotting system.
8. Explain Polymeric Skins
9. Briefly explain materials used in soft contacts lenses.
10. How viscose rayon is prepared?. (5X5=25)
Part C :
(Answer either a or b)
11(a) Explain inflammation and wound healing. Or
11(b) Explain different biomaterials and their applications.
12(a) Explain biomedical application of polymers. Or
12(b) Explain polymers in cardiovascular application.
13(a) Briefly explain different type of contact lens. Or
13(b) Give note on Polymers used in opthalmology.
14(a) Explain dental prosthetic materials. Or
14(b) Give different classification of Dental Bases materials.
15(a) Explain the synthesis of proteins. Or
15(b)Explain the structure of Polysaccharides. (5X12=60)
Model Question Paper :
VI Sem. B. Tech. Polymer Engineering Degree Examination
Mahatma Gandhi University
PO 010 605 : Polymer Blends and Composites
Time : 3Hours
Maximum Marks : 100
Part A :
(Answer all questions)
(Each question carries 3 marks)
1. What are the thermodynamic criteria for miscibility in a polymer blend system
2. Briefly explain the molecular architecture and properties of styrene block copolymer based TPEs
3. Name three commercially important matrices and reinforcements in composite manufacturing
4. Briefly mention on polymer concrete
5. Mention the advantages and disadvantages of hand lay up (3×5 =15)
Part B :
(Answer all questions)
(Each question carries 5 marks)
6. Based on miscibility, how polymer blends are classified. Explain the morphology of each with examples
7. What is dynamic vulcanization? With example, discuss the properties of dynamically vulcanized blends
8. Briefly explain the rule of mixtures in composites
9. Briefly explain on polymeric binders used in rocket propellants
10. What is meant by filament winding (5×5 =25)