B.TECH. DEGREE EXAMINATION DECEMBER 2009
THIRD SEMESTER
CHEMICAL AND ELECTROCHEMICAL ENGINEERING
CK204 MATERIALS TECHNOLOGY
PART A
ANSWER ALL QUESTIONS
1. Define cystal direction and crystal plane.
2. What is X-ray diffraction?
3. Differentiate between ductile fracture and brittle fracture.
4. What is meant by recrystallization?
5. State the purposes of alloying.
6. Mention the different varieties of brasses.
7. What are hard and soft magnets?
8. List ou tth einsulating materials that are commonly uses.
9. How is natural ruber obtained from latex?
10. Mention any two criteria for the selection of a refractory.
Part B
11. Classify the defects of crystals based on the geometry. Explain them in detail. (Or)
12. Give a brief account on macro and micro structural examination of materials.
13. Explain Brinnel, Vickers, Rockwell’s test for the determination of microhardness of the material. (or)
14. Discuss in detail the four methods of strengthening mechanism of crystalline materials.
15. (a) Describe the different types of annealing process in detail.
(b) Discuss in detail about aluminium cladding process. (or)
16. Write down the composition, properties and uses of
(a) Aluminium and its alloys
(b) Nickel and its alloys
17. (a) Explain with an example different types of semiconductors.
(b) Discuss the electrical conductivity of materials based on band theory (or)
18. Write short notes on:
(a) Anisotrophy materials.
(b) Zone refining.
19. (a) Explain how the polymers are classified on the basis of their thermal behavior and method of polymerization. Give two examples for each class.
(b) Explain the vulcanization and state the improvements in properties of rubber after vulcanization is carried out. (or)
20. Discuss briefly on:
(a) Silicates
(b) Silicones
(c) Enamels.
KEYWORDS:CHEMICAL AND ELECTROCHEMICAL ENGINEERING,CK204 MATERIALS TECHNOLOGY,2009 ANNA UNIVERSITY CHENNAI CK 204 MATERIALS TECHNOLOGY (B.TECH CHEMICAL AND ELECTROCHEMICAL ENGG) CECRI QUESTION PAPER,ANNA UNIVERSITY MATERIALS TECHNOLOGY QUESTION PAPER,ANNA UNIVERSITY,ANNA UNIVERSITY CHENNAI,ANNA UNIVERSITY COIMBATORE,ANNA UNIVERSITY TRICHY,ANNA UNIVERSITY TIRUNELVELI,ANNA UNIVERSITY MADURAI,ANNA UNIVERSITY SYLLABUS,ANNA-UNIVERSITY RESULTS,ANNA UNIVERSITY DISTANCE EDUCATION,ANNA UNIVERSITY MBA-CENTRE FOR DISTANCE EDUCATION,ANNA UNIVERSITY SCHEDULE OF EXAMINATIONS,ANNA UNIVERSITY ADMISSION,ANNA UNIVERSITY COURSES,ANNA UNIVERSITY ACADEMIC,ANNA UNIVERSITY DEPARTMENTS,ANNA UNIVERSITY RESEARCH,ANNA UNIVERSITY MAIL,ANNA UNIVERSITY QUESTION PAPERS,ANNA UNIVERSITY COUNSELLING DATES,ANNA UNIVERSITY RE-EVALUATION RESULTS
THIRD SEMESTER
CHEMICAL AND ELECTROCHEMICAL ENGINEERING
CK204 MATERIALS TECHNOLOGY
PART A
ANSWER ALL QUESTIONS
1. Define cystal direction and crystal plane.
2. What is X-ray diffraction?
3. Differentiate between ductile fracture and brittle fracture.
4. What is meant by recrystallization?
5. State the purposes of alloying.
6. Mention the different varieties of brasses.
7. What are hard and soft magnets?
8. List ou tth einsulating materials that are commonly uses.
9. How is natural ruber obtained from latex?
10. Mention any two criteria for the selection of a refractory.
Part B
11. Classify the defects of crystals based on the geometry. Explain them in detail. (Or)
12. Give a brief account on macro and micro structural examination of materials.
13. Explain Brinnel, Vickers, Rockwell’s test for the determination of microhardness of the material. (or)
14. Discuss in detail the four methods of strengthening mechanism of crystalline materials.
15. (a) Describe the different types of annealing process in detail.
(b) Discuss in detail about aluminium cladding process. (or)
16. Write down the composition, properties and uses of
(a) Aluminium and its alloys
(b) Nickel and its alloys
17. (a) Explain with an example different types of semiconductors.
(b) Discuss the electrical conductivity of materials based on band theory (or)
18. Write short notes on:
(a) Anisotrophy materials.
(b) Zone refining.
19. (a) Explain how the polymers are classified on the basis of their thermal behavior and method of polymerization. Give two examples for each class.
(b) Explain the vulcanization and state the improvements in properties of rubber after vulcanization is carried out. (or)
20. Discuss briefly on:
(a) Silicates
(b) Silicones
(c) Enamels.
KEYWORDS:CHEMICAL AND ELECTROCHEMICAL ENGINEERING,CK204 MATERIALS TECHNOLOGY,2009 ANNA UNIVERSITY CHENNAI CK 204 MATERIALS TECHNOLOGY (B.TECH CHEMICAL AND ELECTROCHEMICAL ENGG) CECRI QUESTION PAPER,ANNA UNIVERSITY MATERIALS TECHNOLOGY QUESTION PAPER,ANNA UNIVERSITY,ANNA UNIVERSITY CHENNAI,ANNA UNIVERSITY COIMBATORE,ANNA UNIVERSITY TRICHY,ANNA UNIVERSITY TIRUNELVELI,ANNA UNIVERSITY MADURAI,ANNA UNIVERSITY SYLLABUS,ANNA-UNIVERSITY RESULTS,ANNA UNIVERSITY DISTANCE EDUCATION,ANNA UNIVERSITY MBA-CENTRE FOR DISTANCE EDUCATION,ANNA UNIVERSITY SCHEDULE OF EXAMINATIONS,ANNA UNIVERSITY ADMISSION,ANNA UNIVERSITY COURSES,ANNA UNIVERSITY ACADEMIC,ANNA UNIVERSITY DEPARTMENTS,ANNA UNIVERSITY RESEARCH,ANNA UNIVERSITY MAIL,ANNA UNIVERSITY QUESTION PAPERS,ANNA UNIVERSITY COUNSELLING DATES,ANNA UNIVERSITY RE-EVALUATION RESULTS